Operating today as 11:11 Systems after its rebrand from Sungard Availability Services, this Pennsylvania firm (founded 1978) has long supplied production and disaster-recovery infrastructure to large global enterprises, spanning cloud security, compliance, and incident response.
14Nine is a small (under 10 employees) New Jersey-based cybersecurity firm founded in 2018, organized around three core technology practice areas.
14 Nine
2KEYS, a Canadian managed-security provider founded in 1998 and now part of Interac, designs and operates security services built around confidentiality, availability, integrity, and privacy.
2KEYS
443ID, founded in 2021, feeds open-source intelligence into identity-security workflows, helping organizations gauge individual user risk and calibrate how much authentication friction to apply.
4A Security & Compliance, a small US firm founded in 2012, covers information-security risk management end to end — breach response, compliance audits, vendor due diligence, and security awareness training.
4A Security & Compliance
4Securitas, an Irish security vendor founded in 2017, defends against hacking, malware, and fraud while designing its tools so non-technical staff can still handle critical security tasks.
6WIND, founded in 2000, is a networking and infrastructure-security software vendor serving an established base of enterprise and telecom clients.
A2Secure, a Spanish firm founded in 2009, focuses on digital security, helping clients manage the risks that come with electronic communications.
A2Secure
A3Sec, founded in Spain in 2012, is a mid-sized vendor in the endpoint- and security-operations space.
AaDya Security, founded in 2019, offers a single cloud-based platform aimed at giving small and mid-sized businesses affordable, easy-to-run cybersecurity protection.
Abacode, a US managed security services provider founded in 2014, combines regulatory-compliance work with cybersecurity services, running its own SOC and an applied research lab.
Abacode Cybersecurity & Compliance
ABD Technology, founded in 2003, provides round-the-clock managed IT support alongside backup, disaster recovery, cloud, and network-security services.
ABD Technology Inc
Abira Security, founded in 2019, delivers end-to-end cybersecurity services with security analytics and round-the-clock support, positioned around cost efficiency.
Abira Security
Accertify, founded in 2007 and operating as an American Express subsidiary, provides digital identity, fraud-prevention, chargeback-management, and payment-gateway technology.
Accertify
AccessData Group, founded in 1987, has spent decades in digital forensics and litigation support, covering e-discovery, computer forensics, legal review, compliance, and information assurance.
AccessData Group
ACG Cybersecurity, based in France, provides audit, consulting, and governance services spanning information-security management, risk, IoT security, compliance, and SOC/SIEM deployments.
ACG Cybersecurity
ACI Solutions, founded in 2001, is a secure cloud and managed-services provider working with both commercial clients and US federal agencies on secure communications and cybersecurity.
ACI Solutions
Acuris Risk Intelligence (C6), founded in 2003 in the UK, supplies data intelligence to anti-money-laundering, anti-corruption, and cybersecurity teams.
Acuris Risk Intelligence – C6
ADACOM, founded in 1998, provides online security services to financial institutions, telecoms, governments, and large enterprises across more than 30 EMEA countries.
ADACOM
AddPro Denmark, formerly known as SNEX A/S, is a Danish IT security and communications specialist focused on data-center-oriented solutions and support.
AddPro Denmark
ADF Solutions, founded in 2006, builds digital-forensics and media-exploitation tools for scanning computers and peripheral devices, used across defense, intelligence, and law-enforcement agencies.
ADF Solutions
Aditinet Consulting, founded in Italy in 2004, provides network and security systems-integration services from offices in Rome, Milan, and Padova.
Aditinet Consulting Spa
ADLINK Technology, a Taiwan-based company founded in 1995, builds edge-computing hardware — motherboards, systems, and platforms — for industrial IoT applications spanning automation, medical, transportation, and defense.
Adlumin, founded in 2016, builds detection technology aimed at identity-based attacks.
Advanced Network Systems, founded in 1996 and now part of Magna5, provides cybersecurity and IT network services to organizations across Virginia, West Virginia, and the wider Mid-Atlantic region.
Advanced Network Systems
Advens, a French information-security management firm founded in 2000, works with public and private organizations to align their security programs with business objectives.
Advens
Aeris Secure, founded in 2008, bundles managed IT security with PCI compliance support for small and mid-sized businesses through its Aeris Total Compliance offering.
Aeris Secure
Agio, founded in 2010, is a hybrid managed IT and cybersecurity provider focused on financial services, healthcare, and payments clients, with particular depth serving hedge funds and private equity firms.
Agio
AIONCLOUD (MONITORAPP), founded in South Korea in 2016, offers an all-in-one cloud security platform combining secure server access with secure internet access from cloud-based data centers.
Airbus CyberSecurity, based in France, protects governments, militaries, and critical-infrastructure operators, with a team of more than 750 covering managed security services, industrial control system security, encryption, and consulting.
Airbus CyberSecurity
AirMDR, founded in 2023, runs an AI-driven virtual security analyst that investigates threats, triages incidents, and carries out response actions.
AIS, founded in 2012 and based in Indianapolis, provides managed IT services, help-desk and application support, and monitoring aimed at helping client companies use technology more strategically.
AIS
AISI, a French infrastructure-security specialist founded in 2010, serves SMEs, mid-market companies, and public bodies with infrastructure audits, security tool selection and deployment, and managed SOC/NOC services.
AISI Pure Player Infrastructure
Aiuken Cybersecurity, founded in Spain in 2012, is an international IT security company focused on security and cloud-services solutions.
Akerva, a French cybersecurity consultancy founded in 2013, advises large enterprises and public administrations on digital-protection strategy with a team of around 70 consultants.
Akerva
AKIPS, an Australian network-monitoring vendor founded in 2014, positions its platform around scalability and simplicity at commodity pricing.
AKIPS
Alchemy Security, founded in 2007, helps clients make security-investment decisions by combining risk analysis with managed, monitored SIEM services — an area Gartner has recognized as one of its specialties.
Alchemy Security, LLC
Alert Logic, founded in 2002 and now part of HelpSystems (Fortra), has spent more than a decade building cloud-security solutions designed to work alongside hosting and cloud-service providers.
AlgoSecure, a French company founded in 2008, was established by a team specializing in networking and information-systems security to help clients implement secure network architecture.
AlgoSecure
AlienVault, founded in 2007 and now part of AT&T, develops both commercial and open-source security tools, including the Open Threat Exchange, a large crowd-sourced threat-intelligence platform.
AlienVault – AT&T
Aligned Technology Solutions, founded in 2009 and now part of Teal, offers a broad range of managed IT services, positioning itself as an ongoing advisor to clients rather than a one-off vendor.
Aligned Technology Solutions
Aladdin R.D., founded in Russia in 1995, develops and supplies authentication devices and information-security products for protecting confidential data.
AM-GmbH, a German IT service provider founded in 2008, offers customized application management, data center, cloud, service desk, and IT security services.
AM-GmbH
Amplify Intelligence, an Australian firm founded in 2017, applies a data-driven approach to cyber insurance, aiming to reduce claim frequency and cost for insurers.
Amplify Intelligence
ANRC, founded in 2007 and since merged into Focal Point, focused on cybersecurity training for security professionals and system administrators.
APCON, founded in 1993, builds network monitoring and traffic-analysis technology aimed at streamlining IT network management and security.
APCON
Apheris AI, founded in Germany in 2019, builds technology that lets enterprises collaborate on and analyze shared data without exposing underlying privacy.
Apple Security, based in Vancouver and founded in 2006, runs professionally managed security programs with round-the-clock monitoring.
Apple Security
Applicure Technologies, founded in Israel in 2003 and listed on the Tel Aviv Stock Exchange (APCR), provides multi-platform web application security based on its own research into attacker behavior.
AppRiver, founded in 2002, provides cloud-based email and web security aimed at spam, viruses, and malware.
Approgence Technologies, founded in 2006, is an IT services and staffing firm spanning systems integration, analytics, ERP, and SOC design, among other practice areas.
Approgence Technologies Inc
Appsecco, a UK-based application security firm founded in 2015, provides consulting and tooling for a range of cybersecurity problems.
Appsential, founded in 2004, delivers IT and process-management solutions for mission-critical systems at US federal agencies, including the Department of Energy and Department of the Interior.
Appsential
Apruvd, founded in 2015, provides fraud-protection tooling for e-commerce businesses, built around analytics-driven risk decisions.
Apruvd
Arete Advisors, a US incident-response firm, covers the full cyber-incident lifecycle, from readiness assessments through post-incident remediation.
Arete Advisors
Arkose Labs, founded in 2015, targets large-scale fraud problems for heavily-targeted businesses, aiming to do so with minimal friction for legitimate users.
Armor, founded in 2009, offers secure cloud hosting built around a closed-loop security approach intended to reduce the operational complexity of managing cyber threats.
Asgard Managed Services, founded in 2014, provides backup, disaster recovery, and secure communications services aimed at balancing data convenience with data security.
Asgard Managed Services
Assured Enterprises, founded in 2013, provides cybersecurity assessments, consulting, and related products.
Assured Information Security, founded in 2001, does cyber-technology research for the US Air Force and Department of Defense, and has operated the Adversarial Sciences Laboratory within the Air Force Research Laboratory.
Assuria, a UK vendor founded in 2005, builds software and managed security services that power SOCs, IT protective monitoring, and IT assurance work worldwide.
At-Bay, founded in 2016, sells cyber insurance combined with its own risk-analysis and risk-management programs, distributed through broker partnerships.
Atera, founded in Israel in 2004, provides security solutions aimed specifically at small and medium businesses and the system integrators that serve them.
Atera
Aulter, founded in the UK in 2006, offers consulting, technology procurement, and managed security services under its CyberCascade branding.
Aulter
Aunalitics, formerly known as Secant and operating for more than 30 years, provides IT services spanning strategic planning, technology design, cloud hosting, security, backup, and disaster recovery.
Aunalitics
Aura, founded in 2019, is a mid-sized (1,000+ employee) US company offering an integrated suite of consumer-facing digital-safety services.
Authomize, founded in Israel in 2019, builds automated authorization governance and access-management software.
AV-TEST is a German testing institute with a team of around 35 specialists spanning the technical and business domains relevant to information technology.
AV-Test
Avaria Networks, founded in 1993, is a small US IT solutions provider whose core business is technical support and help-desk services.
Avaria Networks
Aves Network Security, a Finnish company, builds deception technology that lets enterprises detect, observe, and contain attackers already inside their internal network.
AVL Mobile Security, founded in China in 2010, develops mobile security technology — including anti-virus engines — for enterprises, app developers, and consumers.
AvTek Solutions, founded in 2004, provides business information strategy and IT solutions covering the full information lifecycle from design through operational best practices.
AvTek Solutions, Inc.
Awake Security is a mid-to-large US vendor (2,000+ employees) whose Investigation Platform is built for rapid, iterative alert investigation and threat hunting.
Axon Technologies, founded in the UAE in 2018, offers cybersecurity consulting, security-as-a-service, incident response, and training.
Axway, founded in 2001, is a mid-sized US company whose AMPLIFY platform handles cloud-based data integration alongside identity, data-security, and risk-management capabilities.
Ayesa (ITS Security), a large Spanish company (10,000+ employees) founded in 2007, provides IT services and consulting to private enterprises and public administrations, covering infrastructure, virtualization, storage, backup, and cloud computing.
Ayesa (ITS SECURITY)
Barricade IT Security, founded in 2017, specializes in building, installing, and maintaining remote security operations centers for its clients.
Barricade IT Security
Be-Innova, an Italian IT consulting firm and part of the Itway group, offers custom cybersecurity projects, proprietary products, and NOC/SOC services.
Be-Innova s.r.l.
Becrypt, founded in the UK in 2001, focuses on managing information-security requirements as organizations adopt new and evolving computing platforms.
Beijing Venustech, founded in China in 1996, offers network security products and managed security services to a large customer base that includes Fortune 500 firms and major Chinese financial institutions.
Beta Systems, a German identity and security-operations vendor founded in 1983, operates through roughly 18 subsidiaries and partners serving customers across more than 30 countries.
Beyond Security, founded in 1999 and later acquired by HelpSystems, develops tools that test networks, software, and web applications for security weaknesses.
BioCatch, founded in Israel in 2011 and later acquired by Permira, provides behavioral-biometric authentication and malware detection for mobile and web applications, analyzing hundreds of cognitive parameters per session.
BI.ZONE, a Russian security vendor, builds its threat intelligence from round-the-clock monitoring of private data sources, forensic analysis, dark-web monitoring, and criminal-attribution investigations.
BlackCloak, founded in 2017, provides personal cybersecurity services aimed at high-net-worth individuals and corporate executives.
BLACKCLOAK
Blackpanda, founded in Singapore in 2015, offers cyber incident response, compromise assessment, digital forensics, and related investigative services.
Blackpanda
Bleach Cyber, a US startup founded in 2022, positions itself as a fast, simple way for smaller businesses to get secure and compliant.
BLOKWORX, founded in 2006, is a managed security service provider aimed at small and mid-sized businesses, covering edge, cloud, endpoint, compliance, and virtual CISO services.
BLOKWORX, Inc.
Blue Line Technologies provides managed security services and IT support — including network security, private hosting, MDM, backup, and disaster recovery — to organizations across the southeastern US.
Blue Line Technologies, Inc
bluedog Security Monitoring, founded in the UK in 2017, offers cloud-based internal network monitoring and threat detection, sold standalone or alongside its own security services.
bluedog Security Monitoring
Bluedon, a Chinese network-security vendor, sells products and services to a large customer base — reportedly over 10,000 organizations worldwide.
Bluefin Payment Systems, founded in 2007, provides PCI-validated point-to-point encryption for payment gateways, processors, and software vendors across roughly 28 countries.
Bluefin Payment Systems
Blueshift Cybersecurity, founded in 2020, offers a SOC-as-a-service platform aimed at making compliance and security monitoring more affordable for its customers.
BluVector, founded in 2015, uses patented machine-learning techniques to detect unknown malware and threats targeting network infrastructure in near real time.
BluVector
BMC Software, whose security line traces to 2005, is a large (5,000+ employee) vendor offering cloud-security and security-operations capabilities alongside its broader enterprise software portfolio.
BonjourCyber, a French startup founded in 2022, builds a tool aimed at closing off the most common entry points attackers use.
Bottomline (NASDAQ: EPAY), founded in 2005, provides business payment infrastructure that includes fraud detection and compliance tooling alongside cash management.
Brash Concepts, founded in 1980, is a long-running managed security services provider offering IT consulting, networking, and general system support.
Brash Concepts
BreachLock, founded in 2019, offers penetration-testing-as-a-service combining certified human testers with AI, aimed at improving the scalability and cost of pen testing.
Bricata, founded in 2014 and later acquired by OpenText, built appliances and cloud products around the Suricata intrusion-prevention engine with added hardware acceleration.
Bridewell, founded in the UK in 2013, provides cybersecurity services aimed at protecting and transforming critical business functions for its clients.
Bridewell
Brier & Thorn, founded in 2015, helps organizations manage IT risk through a structured, critical-thinking-based approach.
Brier & Thorn, Inc
Brigantia Partners, founded in the UK in 1996, is a value-added distributor of cybersecurity products alongside secure enterprise data communications and cloud services.
Brigantia Partners Limited
Brighterion, founded in 2000, builds its products on a cognitive-computing platform combining AI and machine learning for real-time predictive decisions.
Broadleaf Group, founded in 2005, provides technology and security solutions aimed at improving business agility, working through networking and infrastructure partnerships.
Broadleaf Group
Buguard, founded in Egypt in 2019, provides information assurance and computer security services to government, commercial, and international clients.
Buguard
Bulletproof, a UK cybersecurity services firm, positions itself around helping organizations get ahead of attackers and protect business-critical data.
Bulletproof (Cyber Security)
Bureau, founded in 2020, runs a no-code identity and risk orchestration platform aimed at customer onboarding, fraud prevention, and authentication.
Bureau
Bytemaster, a Spanish company founded in 1994, works with logistics operators on the digital technology that helps them stay flexible and competitive.
bytemaster S.A
CAF, a Brazilian company founded in 2019, specializes in identity and facial-recognition technology and is reportedly the only Brazilian firm in its space with iBeta approval.
CAF
Capita, a large UK company (10,000+ employees) whose cybersecurity work began in 2008, combines specialist teams across data security, endpoint security, and security operations.
Caretower, founded in the UK in 1998 and later acquired by Integrity360, is an independent IT security specialist known as a value-added reseller with network security expertise.
Castle Ventures is a US managed security service provider focused on helping clients optimize their defenses against cyberattacks and data loss.
Castle Ventures Corporation
CBI, founded in 1991, manages IT risk for clients through tailored assessments and custom solutions aimed at keeping data secure, compliant, and available.
CCS IT Solutions, a Manchester-based firm founded in 2015, provides general IT services with an emphasis on customer support.
CCS IT Solutions Ltd
Celerium builds on the former Soltra platform, automating the collection and distribution of threat intelligence — including STIX/TAXII feeds — for critical-infrastructure organizations.
Celerium
Centrify, founded in 2004, focuses on securing enterprise identities across hybrid IT environments spanning cloud, mobile, and on-premises systems.
Cerberus Sentinel, founded in 2019, offers managed cybersecurity and compliance services under its MCCP+ program, which pairs technical services with a culture/training component.
Cerberus Sentinel – CISO
Certego, part of the Italian VEM Sistemi Group and founded in 2013, provides managed computer-security services aimed at countering cybercrime.
Certego
CertifID, founded in 2017, verifies identity and account credentials in real time to reduce fraud in wire-transfer and funding processes.
CertifID
CGS Tower Networks, founded in Israel in 2014, builds network-visibility hardware, from passive optical taps to virtual packet brokers.
CGS Tower Networks
Charm Security, founded in 2024, runs an AI-powered platform aimed at detecting scams, social engineering, and other fraud that targets human behavior rather than systems.
Charm Security
Cheetah Mobile, a Chinese company founded in 2010, develops mobile applications and security software and is among China's larger mobile-security players.
Chess ICT, founded in the UK in 1993, is a large (250+ employee) technology solutions provider working with tens of thousands of UK businesses.
Chess ICT
CI Security, founded in 2012 and later acquired by Lumifi Cyber, provides managed detection and response, vulnerability detection, and cybersecurity consulting for mission-critical systems.
CI Security
Clarity, founded in 2022, builds AI tools aimed at detecting deepfakes and AI-generated misinformation for organizations and individuals.
Clarity
Cleafy, founded in Italy in 2012, focuses on protecting enterprises and large websites from sophisticated, hard-to-detect internet threats.
Clearnetwork, founded in 1996, specializes in managed cybersecurity services for both public and private-sector clients.
Clearnetwork, Inc.
Clearswift, founded in the UK in 1982 and later acquired by RUAG, builds information-protection technology spanning application, cloud, data, and endpoint security to let organizations collaborate securely.
Clone Systems, founded in 1998, is a global managed security service provider offering business-security solutions.
CLONE SYSTEMS, INC.
Cloud24x7, founded in 2016, provides threat intelligence and cloud-based security tools aimed at managed service providers, covering prevention through response.
Cloud24x7
Founded in 2022, Cloudburst Technologies builds tools for real-time monitoring and cyber threat intelligence.
Cloudburst Technologies
CloudCheckr, founded in 2011, is a web-based platform for visibility and understanding into Amazon Web Services deployments.
Cloudera, founded in 2008, is a mid-to-large data platform company (2,000+ employees) whose offerings include risk and security-operations capabilities alongside its core data analytics products.
CloudGuard AI, a UK company founded in 2020, combines AI and human analysis to hunt and remediate threats around the clock.
CloudGuard AI
CNS Group (Six Degrees), originally Convergent Network Solutions and founded in London in 1999, provides information-security and networking consultancy and built the Mosaic platform for managed security and compliance.
Cobwebs Technologies, founded in Israel in 2015, builds web-intelligence tools for national security and government agencies to detect threats and map relationships.
Cobwebs Technologies Ltd.
Com-Tech, founded in 1996, is a managed security service provider serving enterprise and critical environments with security infrastructure, surveillance, and access control.
Com-Tech
Comis Technology, founded in the UK in 2009, provides IT and telephony services tailored to small and medium-sized businesses in central London.
Comis
Communicate Technology, founded in the UK in 2011, provides network infrastructure, telecom, cybersecurity, and managed IT services.
Communicate Technology
Communication Valley Reply, part of the large Reply Group and founded in Italy in 2004, runs a 24/7 ISO 27001-certified European cybersecurity operations center covering threat intelligence, fraud detection, and managed network security.
Communication Valley Reply
Compass IT Compliance, founded in 2010, is an IT security, audit, and compliance firm focused on helping organizations protect the sensitive data they hold for clients.
Compass IT Compliance, LLC
Compass Security, a Swiss firm founded in 1999 with around 45 employees across Switzerland and Germany, has become a recognized IT-security consulting practice in Europe.
CompliancePoint, founded in 2001, provides governance and compliance assurance services for data-driven organizations.
CompliancePoint
Compumatica, a German company, is an independently owned firm with offices across Europe that develops and manufactures high-security networking products designed without backdoors.
CompuOne, founded in San Diego in 1997, provides cybersecurity, cloud, managed services, disaster recovery, and IT strategy consulting.
CompuOne
Computer Products Corp (CPC), founded in 1962, provides secure IT products, hardware, and managed services to help businesses manage disparate systems.
Computer Products Corp. (CPC)
Comworth, a Japanese company founded in 2014, distributes and develops network test, measurement, and monitoring products for telecom and enterprise markets.
Comworth
Constella (formerly 4iQ), founded in Spain in 2016, powers cyber risk intelligence centers used by defense departments, law enforcement, physical-security providers, and critical-infrastructure companies.
Constella
ContentKeeper, founded in Australia in 1998 and later acquired by Impero Software, provides web security for Web 2.0 and mobile-centric environments using behavioral analysis and SSL packet inspection.
ControlCase, founded in 2004, is a compliance-as-a-service provider and PCI DSS specialist offering governance and risk-management solutions.
Convercent, founded in 2012, builds compliance software aimed at one of the business world's more persistently unsolved software problems: corporate ethics and compliance management.
Converged Security Solutions, founded in 2018, provides managed cyber and physical security services for critical-infrastructure protection, including assessment and monitoring.
Converged Security Solutions
Convergence Networks, a Portland-based managed security provider founded in 2000, centers its strategy on identity-driven security within Microsoft environments.
Convergence Networks
Corax Cyber Security, a UK company, offers a SaaS business-intelligence tool for quantifying cyber risk and assigning remediation responsibility.
Corexalys, a French firm founded in 2017, specializes in strategic intelligence and counter-intelligence.
Corexalys
CorKat Data Solutions, founded in 2011, is a Tier 3 data center and MSP offering cloud, cybersecurity, penetration testing, and backup/disaster-recovery services.
CorKat Data Solutions
Cornerstone IT, founded in 2003 and later acquired by Logically, provided managed IT services for small and mid-sized businesses, including managed security and cloud hosting.
Cornerstone IT
Corserva, founded in 1985, provides managed IT services, IT lifecycle management, managed security, and business-continuity planning.
Corserva
Corsica Cybersecurity, founded in 1999, serves private-sector and government clients with services spanning threat correlation, incident response, PCI-DSS compliance, penetration testing, and threat modeling.
Corsica Cybersecurity
CounterFlow, founded in 2017 and later acquired by LiveAction, was an AI startup building a network-forensics platform for threat hunting.
Cover6 Solutions, founded in 2013, provides network security consulting, training, penetration testing, and broader information-security services.
Cover6 Solutions
Cradlepoint, founded in 2004, provides software-defined wireless and wired WAN solutions for distributed and mobile enterprises.
Critical Path Security, founded in 2017, offers a structured information-security management approach spanning penetration testing, vulnerability assessment, incident response, and managed security.
Critical Path Security
CRU (Ditto Forensic FieldStation), a Canadian company founded in 1986, has long built devices for data mobility, encryption, and digital forensic investigation, including its DataPort and DataExpress product lines.
CSPi, founded in 1968, works with customers on performance, availability, and security challenges in computing infrastructure.
CUJO AI, founded in 2015, builds an AI-driven security platform used by network operators and offered directly to home users.
Cyanre, founded in South Africa in 2002, provides cyber forensic services aimed at cost-effective, innovative investigations.
CYB3R, founded in the UK in 2019, provides cybersecurity, IT, and business-communications services tailored to mid-market organizations.
CYB3R
Cyber adAPT, founded in 2014, monitors all traffic inside mobile-enabled enterprise networks to surface malicious threats that get past perimeter defenses.
Cyber Advanced Technology, a US firm, develops real-time cyber technologies aimed at enterprises navigating a fast-changing threat landscape.
Cyber Defense Africa, founded in Togo in 2019, delivers managed cybersecurity services — including MDR, SIEM monitoring, threat intelligence, and forensics — to public institutions and enterprises.
Cyber Defense Africa
Cyber Defense Labs, founded in 2011, provides end-to-end cybersecurity services spanning MSSP, proactive and reactive incident response, and training, aimed at reducing risk before, during, and after an incident.
Cyber Defense Labs
Cyber Engineering Services (CyberESI), founded in 2010, is an MDR provider offering remote security monitoring, patented command-and-control detection, incident response, and digital forensics.
Cyber Engineering Services (CyberESI)
Cyber Security Services, founded in Columbus, Ohio in 2013, is a consulting firm and SOC offering virtual CISO services, security monitoring, and cybersecurity product expertise.
Cyber Security Services
Cyber Shield, founded in 2019, is a managed security services provider positioned around offering enterprise-grade security at prices smaller businesses can afford.
Cyber Shield
CYBERA, founded in 2020, focuses on disrupting financially motivated cybercrime.
CYBERA
Cybera, a PDI company founded in 2001 with its Cybera ONE platform launched in 2011, provides secure virtual application networks that help distributed enterprises manage payment networks and other sensitive applications at remote locations.
Cyberangels, an Italian startup founded in 2020, runs an AI-based cyber protection platform for SMBs, covering risk assessment, remediation planning, awareness training, phishing testing, and cyber insurance.
Cyberangels
Cyberarch Consulting Group, founded in Estonia in 2016, is a security consultancy specializing in information security and digital forensics, including risk management consulting.
Cyberarch Consulting Group
CyberClan, a Canadian firm founded in 2006 (formerly known as NTL), provides security testing and compliance services.
Cyberfort (Auriga), founded in the UK in 2008, provides cybersecurity assurance and monitoring services, including a SOC branded Compass, from design through continuous monitoring.
Cyberfort / Auriga
CyberGuard Solutions, a US firm, offers cybersecurity consulting including penetration testing, security analysis, and network security expertise.
CyberGuard Solutions
CyberMaker, founded in France in 2017, provides cybersecurity consulting and auditing, including GDPR and NIS-directive compliance and digital-transformation security.
CyberMaker
CyberMaxx, a US security-operations vendor, positions itself as a dedicated partner for preventing, detecting, and responding to cyberattacks.
CyberMaxx
CyberMDX, founded in 2017 and later acquired by Forescout, built multi-layered security technology aimed specifically at medical devices and clinical networks.
Cybernance, based in Austin, Texas, is an early-stage company focused on measuring and quantifying cyber risk.
CyberOne, formerly known as Comtact and founded in the UK in 2005, offers end-to-end cybersecurity services.
CyberOne
CyberPoint International, founded in 2009, builds cybersecurity products and services aimed at surfacing the threats and vulnerabilities that expose data and infrastructure to compromise.
CyberProof, founded in 2017, takes a risk-based approach to delivering cybersecurity services to businesses worldwide.
CyberProof
CyberQ Group, founded in the UK in 2016 with offices in Europe and Asia, helps clients select security solutions to strengthen business resilience.
CyberQ Group
Cybers, an Estonian security-software company founded in 2010 and later acquired by Neverhack, grew into a leading provider of IT security services for Estonia's private and public sectors, supported by its own SOC.
Cybers
Cybersafe Solutions, a US firm, takes a defense-in-depth approach spanning risk assessment, prevention, monitoring, detection, and incident response.
Cybersafe Solutions
Cyberseer, founded in the UK in 2014 and later acquired by Redsquid, ran a machine-learning-powered managed security service focused on anomaly-based threat detection and insider-risk visibility.
Cyberseer
CyberSheath Services International, founded in 2012, integrates compliance and threat-mitigation work to cut down on redundant security practices, offering consulting across implementation and advisory engagements.
CyberSheath Services International, LLC
Cybersixgill, founded in Israel in 2014 and later acquired by BitSight, automates threat-intelligence collection and enrichment, helping organizations detect phishing, data leaks, fraud, and vulnerabilities.
Cybersixgill
Cybertonica, founded in the UK in 2015, runs a cloud risk-intelligence platform aimed at reducing shopping-cart abandonment and improving conversion for banks, payment processors, and online merchants.
Cybertonica Ltd.
CyberVision, founded in 2018, provides SOC-as-a-service and incident-response support, using its own security software suite to protect networks and endpoints.
CyberVision
Cyberwatch, founded in France in 2015, built one of the first services for automatically finding and patching IT vulnerabilities as soon as they're disclosed.
CyBourn, founded in Romania in 2018, is a managed detection and response (MDR) provider protecting governments, businesses, and consumers from cyber threats.
CyBourn
CYBR International, founded in 2016, provides a broader cybersecurity program — people, policy, and process — for enterprise networks, plus scanning, threat-intel, and security-scorecard tools.
Cybraics, a US company, focuses on proactive cybersecurity through behavioral analysis, emphasizing learning from attacker behavior over purely reactive incident response.
Cybriant, a US firm, helps companies make informed decisions and sustain effectiveness in designing and running their cyber risk management programs.
Cybriant
Cyclops Security, founded in Israel in 2022, runs an AI-powered security data mesh that lets SecOps teams consolidate and query security findings using natural language.
Cyclops Security
Cycurion, founded in 2017, is a cybersecurity and IT services company offering managed security, 24/7 threat monitoring, incident response, and compliance support.
Cycurion
CYDERES, founded in 2017, is a mid-to-large (500+ employee) provider combining people, process, and technology for real-time threat detection and incident response.
CYDERES
CyFlare, founded in 2017, provides SOC and MSSP services designed for channel partners to offer under their own brand or resell.
CyFlare
Cygilant, founded in 2001 and later acquired by SilverSky, ran continuous security operations for organizations of all sizes using established security technologies.
Cygilant
Cymbel Corporation, founded in 2000, is an IT solutions provider focused entirely on security and compliance.
Cypaw, founded in the UK in 2018, offers an automated digital-footprint analyzer aimed at giving organizations visibility into employee-driven security risk.
Cypaw
Cyrebro (CyberHat), founded in Israel in 2013, delivers security services designed and operated by a team with backgrounds in offensive and defensive security and state-level investigation.
CYSIAM, founded in the UK in 2018, provides discreet, specialist cyber and information-security services.
CYSIAM
Cyvatar.ai, founded in 2019, is a technology-enabled cybersecurity-as-a-service provider.
Cyvatar.ai
Cyxtera, founded in 2002, positions itself at the intersection of enterprise IT's evolution and a broader shift in infrastructure security.
Darwinium, founded in 2021, runs a decision-technology platform that combines machine learning, orchestration, and analytics to protect mobile apps, websites, and APIs against automated attacks while weighing security against customer experience.
Darwinium
Data-Tech, founded in 1996, provides cyber threat and ransomware prevention services tailored to individual client needs rather than off-the-shelf products.
Data-Tech
Data101, founded in Colombia in 2013 and later acquired by QUEKA Real Partners, started in data business continuity (backups, disaster recovery, storage) and expanded into cybersecurity in 2021 with SOC, audit, and forensic services.
Data101
DataCom Systems, founded in 1992, manufactures network-visibility hardware and has built a reputation for engineering quality and customer service.
DataCom Systems
DataComm Networks, founded in 1984, provides IT and managed services — including network security, monitoring, data storage, and email encryption — to financial, medical, retail, and manufacturing clients from an SOC 2-certified data center.
DataComm Networks, Inc.
Dataguise, founded in 2007 and later acquired by PKWARE, detects and protects sensitive data in real time across repositories to support safe big-data use.
Datanet, an Italian cooperative founded in 1998, is an independent IT consulting, production, and services firm focused on technological and organizational innovation.
Datanet Soc. Coop.
DataPrivia, founded in 2013, is a full-service information technology and information security provider.
DataPrivia, Inc.
DataProtect, founded in Morocco in 2009, specializes in information security, offering consulting, integration, SOC/MSSP, training, and R&D services across North Africa, Sub-Saharan Africa, and the Middle East.
DataProtect
Datashield, founded in 2009 and later acquired by Lumifi, has provided cybersecurity services to organizations since its founding.
Datassurant, a veteran-owned US business founded in 2006, provides information security and compliance-management services for government agencies, banks, and merchants needing PCI DSS, PA-DSS, or FISMA validation.
Datassurant, Inc.
DataVisor, founded in 2013, provides big-data security analytics for consumer-facing websites and apps.
Datawatch Systems, founded in 1981, provides managed security solutions trusted by building owners, property managers, and tenants across the US.
Datawatch Systems
DATAWAYS, founded in Greece in 2000 and based in Thessaloniki, is an ICT company with customers across Greece and more than 10 other countries, spanning four main technology areas.
DATAWAYS S.A.
Dazz, founded in 2021 and later acquired by Wiz, positioned itself against alert-fatigue-heavy security tools, aiming to cut noise rather than add to it.
Dazz
DB Networks, founded in 2009, built security products aimed at giving organizations deep visibility into database infrastructure.
Dcoya, founded in Israel in 2015 and later acquired by NINJIO, provided security-awareness training with phishing, malware, and drive-by-attack simulations to change employee security behavior.
Dedrone, founded in 2014 and later acquired by Axon, built an automated drone-security platform extending physical and cyber security into the airspace.
Dedrone
Deep Secure, founded in the UK in 2009 and later acquired by Forcepoint, built high-assurance data-transfer technology for exchanging sensitive information between different security domains.
Defants, a French company founded in 2021, builds collaborative, automated tooling to speed up digital forensics, incident response, and threat-hunting work through a semantic-investigation approach.
Defants
Defence Intelligence, founded in Ottawa in 2008, specializes in advanced malware protection and is known for uncovering the Mariposa botnet, work recognized with a Global Hero Award from the Digital Crimes Consortium.
DEFENDERBOX, a German startup founded in 2024, offers a compact, easy-to-install cybersecurity and automated penetration-testing device built for small and medium-sized businesses.
DEFENDERBOX
Delta Consulting and Assurance Services, founded in 2018 by former Big Four executives, specializes in security, privacy, and cyber-risk services drawing on 20+ years of public- and private-sector experience.
Delta Consulting and Assurance Services
Delta Risk, part of the Chertoff Group, works with commercial and government clients worldwide to build up their cyber defense and risk-management capabilities.
Delta Risk
Dtex Systems, founded in 2002, builds a lightweight, highly scalable endpoint-security product designed for minimal performance impact.
DevOcean, founded in Israel in 2021 and later acquired by Pentera, built a platform for discovering cloud applications, unifying findings across security tools, and automating remediation.
DG Technology, founded in 2007, delivers security solutions through a network of partner technologies and technologists rather than building everything in-house.
Digital Defense, founded in 1999 and later acquired by HelpSystems, provided managed security risk-assessment services protecting assets for organizations ranging from small businesses to Fortune-level companies across more than 65 countries.
Digital Edge Ventures, founded in 1996, provides managed cloud and IT support services operated exclusively within dedicated data center facilities.
Digital Edge Ventures
Digital Guardian, founded in 2003 and later acquired by HelpSystems, built a data-centric security platform combining data awareness, endpoint visibility, and behavioral threat detection to stop data theft.
Digital Hands, founded in 2010, is a certified woman-owned US managed services provider (WBENC/EDWOSB) that delivers its services entirely onshore.
digital.security, founded in France in 2015 with backing from the Econocom Group, is a roughly 230-person firm offering audit, consulting, and a CERT dedicated to IoT security.
Digital Security – Econocom
DigitalXRAID, founded in the UK (Yorkshire) in 2015, provides vulnerability management, penetration testing, managed security, and security consultancy globally.
DigitalXRAID Ltd
DriveSavers, founded in 1985, is a long-established provider of data recovery, e-discovery, and mobile forensics services for law enforcement, corporations, and individuals.
DriveSavers Data Recovery and Digital Forensics
DTS Systeme, founded in Germany in 1994, is a large (250+ employee) independent IT systems house specializing in IT security, managed services, and cloud.
DTS Systeme GmbH
DX Solutions, based in Ottawa, provides managed security and secure network services.
DX Solutions Ltd
Dynamix Solutions, founded in Canada in 2000, is a managed services provider delivering IT support, cybersecurity, and cloud services to small and mid-sized Canadian businesses.
Dynamix Solutions Inc.
e2e-assure, founded in the UK in 2013, runs a UK-based SOC delivering 24/7 managed detection and response.
e2e-assure ltd
Early Warning, founded in 1995, provides risk-management technology to a network of roughly 2,300 financial institutions, government entities, and payment companies.
EBRAND, a Luxembourg company founded in 2001, focuses on digital identity protection, including brand protection, domain management, and cybersecurity monitoring.
ECS Consulting, founded in India in 2008, provides cybersecurity and IT consulting aimed at compliance and security-posture improvement.
ECS Consulting
ECSC Group, founded in the UK in 1998 and later acquired by Daisy Corporate Services, positioned itself as a full-lifecycle cyber security specialist covering risk identification through incident remediation.
ectacom, a German value-added distributor founded in 2001, specializes in network security, endpoint security, and data protection across the DACH region.
ectacom GmbH
Edgeworx Solutions, founded in Canada in 2011, offers security-visibility and application-performance monitoring, including threat tracking and endpoint monitoring, for SMEs and large enterprises alike.
Edgeworx Solutions Inc.
Effectual, founded in 2015 and later acquired by SDC Capital Partners, helped enterprises with cloud migration, managed services, and cybersecurity within AWS environments.
Based in Saudi Arabia, eGlobal Systems supports Middle East and North Africa clients with IT and cybersecurity consulting, systems integration, and managed services.
eGlobal Systems Co. Ltd.
eIQnetworks, founded in 2002, built a unified security-intelligence and analytics platform for network and infrastructure visibility, security, and compliance.
Ekran System, founded in 2013, combines user-activity monitoring, identity management, and incident response into an insider-threat management platform used by enterprises and government agencies.
ElastiFlow, founded in 2015, provides network-observability and traffic-flow-analysis tools for monitoring and securing network infrastructure.
Electric, a Series B-funded startup founded in 2016, reworks how businesses manage IT support, security, and devices, spanning troubleshooting, systems administration, and on-site assistance.
Electric
Electric Lightwave, founded in 1998 and later acquired by Allstream, provides managed network, cloud, and security services for enterprise customers.
Electric Lightwave
ELK Analytics, founded in 2013, delivers managed SIEM, threat detection, and compliance support built on the Elastic Stack.
ELK Analytics
Encode, founded in Greece in 2016, built cybersecurity threat detection and response technology now folded into Obrela's managed security portfolio.
Encode
enkompas Technology Solutions, founded in 1997, is an IT managed services provider spanning cybersecurity consulting, business resiliency, managed support, and IT staffing.
enkompas Technology Solutions
Founded in Singapore in 1997, Ensign InfoSecurity has grown into one of Asia's largest pure-play cybersecurity firms, spanning consulting, engineering, and managed security.
Ensign
Enterprise Srl, an Italian company founded in 2005, focuses on log management and compliance technology for regulatory data-retention and monitoring requirements.
EST Security, founded in South Korea in 2004, is a large (250+ employee) provider of endpoint protection, threat intelligence, and managed detection and response.
EventTracker, a Netsurion company founded in 1999, delivers SIEM and managed detection and response for security-incident detection and response.
EventTracker
Everfox, formerly known as Forcepoint Federal and founded (under its current name) in 2023, has more than 25 years of history building defense-grade, high-assurance cybersecurity technology.
Evervault, founded in Ireland in 2019, builds encryption infrastructure aimed at removing complexity for developers.
Eviden, part of Atos and incorporating the former Motiv ICT security business, provides advanced computing, cybersecurity, and digital-transformation services.
Eviden
Excellium Services, founded in Luxembourg in 2011, delivers managed security, cybersecurity consulting, and threat monitoring across the Benelux region.
Excellium Services
EXP Analytics, founded in Sweden in 2015 and later acquired by Sectra, provided threat-detection analytics for critical infrastructure, now part of Sectra's cybersecurity line.
EXP Analytics
Exploit Database, maintained by Offensive Security and dating to 2004, is a widely used repository of exploits and vulnerable software for penetration testers and researchers.
ExploitDB
EYE Security, founded in the Netherlands in 2021, combines cyber insurance with managed detection and response for small and mid-sized European businesses.
Falanx Cyber, founded in the UK in 2013 and later acquired by Wavenet, provided managed detection and response, penetration testing, and cybersecurity consulting.
Falanx Cyber
Federacy, founded in 2016, connects organizations with vetted independent researchers for crowdsourced penetration testing and bug-bounty programs.
Feedzai, founded in 2009, built Feedzai Pulse, a platform for processing large data volumes with low latency to produce real-time actionable fraud signals.
Fiarone, founded in Norway in 2010 and later acquired by NetNordic, provided IT security and infrastructure services now folded into NetNordic's portfolio.
Fiarone
Fingerprint, founded in 2019, builds device-fingerprinting technology that engineering teams use to fight fraud and understand traffic patterns.
Fingerprint
FIT Solutions, founded in Australia in 2013 and formerly known as SOCBOX, provides managed IT and cybersecurity services, including security operations center work.
FIT Solutions
Foresight Cyber, founded in the UK in 2019, provides continuous penetration testing and attack-surface management for enterprises.
Foresite, founded in 2003, blends managed detection and response with compliance and cybersecurity consulting for small and mid-sized clients.
Foresite (Managed Services)
Fox-IT, founded in the Netherlands in 1999 and later acquired by NCC Group, builds technology aimed at improving detection of criminal activity and hardening critical IT networks and systems.
FrontLine Managed Services, founded in 2013, focuses its cybersecurity, IT infrastructure, and managed services specifically on law firms and the broader legal industry.
FrontLine Managed Services
General Dynamics, a large US company founded in 1952, delivers enterprise IT and mission-critical program management, including security-operations work, for government and commercial customers.
General Dynamics
General Dynamics Mission Systems Canada, tracing to 1954, builds cryptographic and mission-critical communications technology for defense and government customers.
GeoEdge, founded in Israel in 2011, provides ad-security and malvertising-protection technology that helps publishers and ad platforms block malicious ads.
GGR Communications, founded in the UK in 2000, provides IT and telecommunications infrastructure services including cybersecurity.
GGR Communications Ltd
GLESEC, founded in 2003, provides managed security services — SOC, GRC, and vulnerability management — for organizations across Latin America and the US.
Global Convergence, founded in 2004, advises government and enterprise clients across cybersecurity, IT, and telecommunications.
Global Convergence, Inc.
Global Linking Solutions, founded in 2008 and based in Charlotte, North Carolina, provides managed IT and cybersecurity services to small and mid-sized businesses in the area.
Global Linking Solutions, Charlotte, North Carolina
Founded in 1998, GM Security Technologies integrates physical and cyber security, including access control and surveillance systems.
GM Security Technologies
GMI (Global Market Innovators), founded in 1997, resells technology and provides IT infrastructure solutions, including cybersecurity products, for government and enterprise customers.
GMI – Global Market Innovators
Gradient Cyber, founded in 2005, blends threat hunting, monitoring, and expert human analysis into managed detection and response for mid-market companies.
Gradient Cyber
GreyCastle Security, founded in 2013 and later acquired by DeepSeas, provided cybersecurity consulting and managed services.
GreyCastle Security
Groupe Novidy's, founded in France in 2010, provides cybersecurity consulting, managed services, and incident response for French enterprises.
Groupe Novidy's
Hacknowledge, founded in Canada in 2015, provides managed detection and response and SOC services across North America and Europe.
Hacknowledge USA
HAWK Network Defense, founded in 2015, applies behavioral analytics to detect insider threats at financial institutions and other enterprises.
HAWK Network Defense, Inc.
Government agencies and enterprises use Haystax Technology's threat and risk analytics, built in 2008, to catch insider threats and physical-security risks before they escalate.
Heimdal Security, a Danish company, focuses on disrupting cybercriminal networks — gathering intelligence on their activity and setting traps to expose stolen data.
Hellfire Security, founded in 2019, runs penetration testing and offensive-security engagements to help organizations find and fix vulnerabilities.
Hellfire Security
Founded in Israel in 2015, Hermetic Security serves enterprises across Israel and Europe with cybersecurity consulting and managed security.
Hermetic Security Ltd.
HID Global, founded in 1991, is a large (2,000+ employee) provider of products and services for creating and managing secure digital identities worldwide.
Hitachi Systems Security, founded in Canada in 2000, is a large (250+ employee) provider of managed security, threat intelligence, and cybersecurity consulting across North America.
Hitachi Systems Security Inc.
HORNE Cyber, founded in 2016, runs assessments, penetration tests, and incident response for businesses and government agencies.
HORNE Cyber
Hudson Rock, founded in Israel in 2019, specializes in cybercrime intelligence, tracking credentials compromised through infostealer malware.
Hudson Rock
Founded in 2011, Hurricane Labs specializes in managed Splunk deployments, SIEM implementation, and security-operations consulting.
Hurricane Labs
Small and medium businesses turn to Hye Tech Network & Security Solutions, founded in 2010, for managed IT and cybersecurity support.
Hye Tech Network & Security Solutions, LLC
I-Tracing, founded in France in 2006 and later acquired by Eurazeo, provides cybersecurity consulting, managed security, and digital forensics across France and Europe.
I-Tracing
Iconic IT, founded in 2019 and later acquired by Integris, provided managed IT and cybersecurity services for small and mid-sized businesses.
Iconic IT
Illusive Networks, founded in 2015 and later acquired by Proofpoint, pioneered deception-based post-breach security, laying a deceptive layer across the network to neutralize targeted attacks.
Informatica, founded in 1993 and later acquired by Permira/Salesforce, is a large (2,000+ employee) data-management company whose portfolio includes data-security and security-operations capabilities.
Ingalls Information Security, founded in 2010, combines managed detection and response with broader cybersecurity consulting.
ITC Secure, founded in the UK in 1998, provides managed security services, SOC operations, and cybersecurity consulting.
Kenna Security, founded in 2010 and later acquired by Cisco, helped security and IT teams prioritize the vulnerabilities that pose the greatest actual risk.
Kiwi Syslog Server, founded in 1999 and later acquired by SolarWinds, provides syslog and SNMP trap monitoring software.
Kiwi Syslog Server
KONFIDAS, founded in Israel in 2016, advises clients on cybersecurity while offering incident response and risk-management services.
KONFIDAS
Kount, founded in 2007, provides a fraud- and risk-management decision-engine platform for managing risk across online and telephone sales channels.
Kroll, a large (5,000+ employee) firm founded in 1972, built its reputation on uncovering fraud and corruption and today spans data security and security-operations services.
Legato Security, founded in 2019, provides managed detection and response and SOC services.
LIFARS, based in New York City, is a specialist cybersecurity, digital-forensics, and incident-response firm conducting investigations, testing, and assessments.
LIFARS
Logz.io, a large (200+ employee) company founded in 2014, builds observability and security-analytics tools on open-source foundations like ELK and Prometheus.
logz.io
Lumen (CenturyLink), a large company founded in 1985 with more than 40,000 employees, offers data-analysis and secure-collaboration solutions spanning application, endpoint, and infrastructure security.
Lutech, a large (2,000+ employee) Italian company founded in 1993, provides engineering, systems integration, and outsourced help-desk services focused on IT, networking, and security.
Lutech
Magal Security Systems, an Israeli company founded in 1969, has provided physical and cyber security, safety, and site-management technology for more than four decades across 80-plus countries.
ManTech Cyber Solutions International, a large (1,000+ employee) company founded in 1968, provides cybersecurity, IT modernization, and mission solutions for government and defense clients.
ManTech Cyber Solutions International
Maryman & Associates, founded in 1995, specializes in digital forensics and cybersecurity investigations.
Meriplex Communications, founded in 2001, is a managed services provider specializing in secure networks, unified communications, and cloud enablement for mid-enterprise organizations.
Meriplex Communications
Micro Focus, a large (2,000+ employee) UK company founded in 1976 and merged with HPE Software, provides application security, data security, and broader enterprise IT solutions.
Milton Security Group, founded in 2010, runs managed detection and response alongside dedicated threat hunting.
Milton Security Group
Mnemonic, a Norwegian company founded in 2013, helps businesses manage security risk, protect data, and defend against cyber threats.
Mosaic451, founded in 2013, provides managed security services and SOC operations for critical infrastructure and enterprise clients.
MSAB, a Swedish company founded in 1984, is a global leader in mobile-device forensic technology used by law enforcement and government agencies.
MSAB
Muninn, formerly known as Wehowsky and founded in Denmark in 2019, provides AI-driven network detection and response.
NCC Group, a large (2,000+ employee) FTSE 250 company founded in the UK in 1999, works with businesses globally on cybersecurity and risk mitigation.
Nedscaper, an early-stage Dutch company founded in 2019, provides SOC and managed-detection-and-response technology.
Nedscaper
NetReSec, an early-stage Swedish company founded in 2013, provides open-source network-forensics and traffic-analysis tools.
NetReSec
Netsurion, founded in 2003 and later acquired by Lumifi Cyber, provides managed detection and response and SIEM technology.
Netsurion
Nettitude, founded in the UK in 2003 and now part of LRQA, provides penetration testing, red teaming, and managed detection and response.
NetWatcher, founded in 2013, serves small and mid-sized businesses with managed detection and response and vulnerability management.
NetWatcher
Nexagate, founded in Malaysia in 2015, provides managed security services and SOC operations across Southeast Asia.
Nexthink, a Swiss company founded in 2004, pioneered end-user IT analytics spanning security, ITSM, and workplace transformation.
NexThink
Northwave, a Dutch company founded in 2006, provides managed detection and response, SOC operations, and cybersecurity consulting.
NTT Security, part of the large NTT group dating to 1988, provides information-security consulting drawing on experienced in-house security experts.
Nuix, founded in 2000, provides investigation, incident-response, and data-governance technology used for litigation, regulation, privacy, and risk management.
onShore Security, founded in 1997, provides managed detection and response and SOC services.
ONUM, an early-stage Spanish company founded in 2022, provides real-time data-pipeline and telemetry-processing technology for security operations.
ONUM
Open Systems, a Swiss company founded in 1990 and later acquired by Swiss Post, is an early SASE provider offering managed, cloud-native network and security services with round-the-clock operations.
OpenDNS, founded in 2005 and later acquired by Cisco, provides a cloud-delivered network-security service blocking malware, botnets, and phishing regardless of port or protocol.
OpenText, a large (10,000+ employee) company founded in 1997, helps organizations securely capture, govern, and exchange information at scale.
OSSEC, dating to 2004, is a widely used open-source host-based intrusion detection system for log analysis and file-integrity monitoring.
OSSEC
Outseer focuses on transactional fraud, with technology it says protects more than $200 billion in annual payments for card issuers, processors, and merchants.
Outseer
OwlGaze, an early-stage UK company founded in 2019, provides AI-driven insider-threat and user-behavior analytics.
OwlGaze
Full packet capture and network forensics underpin the managed detection and response PacketWatch has run since its 2018 founding.
PacketWatch
PatternEx, founded in 2013, applies its Active Contextual Modeling approach to bring AI to information-security threat detection.
PatternEx
PhishLabs, founded in 2008 and later acquired by HelpSystems, built 24/7 services to detect attacks that exploit people rather than systems.
Pondurance, a large (200+ employee) company founded in 2008, pairs technology with human threat hunters in its managed detection and response service.
Prey Project, a Chilean company founded in 2009, provides anti-theft software for tracking and managing lost or stolen mobile devices.
Proficio, founded in 2010, is an MSSP providing managed detection and response, round-the-clock monitoring, and data-breach-prevention services.
Pulsedive, founded in 2017, focuses on high-fidelity threat-intelligence technology aimed at helping organizations proactively improve their security posture.
Pulsedive
QinetiQ, a large (5,000+ employee) UK company founded in 2001, provides science- and engineering-led advice, testing, and technology products across equipment lifecycles.
Qosmos, a French company founded in 2000 and later acquired by Enea, specializes in deep-packet-inspection network intelligence, recognizing thousands of protocols to profile real-time network activity.
Qosmos
Quadrant Information Security, founded in 2011 and later acquired by Worklyn Partners, pairs its Sagan technology and managed services with expert human security analysis.
Quadrant Information Security
Quest Software, a large (2,000+ employee) company founded in 1987, develops Windows, application, virtualization, and database management software used by roughly 130,000 companies, including 95% of the Fortune 500.
Quick Heal Technologies, a large (1,500+ employee) company founded in 1995, targets SMEs with an IT-security portfolio built over more than two decades.
Quorum Cyber, a large (250+ employee) UK company founded in 2016, combines technology with human expertise across cybersecurity consulting and managed services.
Rackspace (NYSE: RAX), a large (5,000+ employee) company founded in 1998, is a managed cloud provider that includes security operations in its services.
RackSpace
Randori, founded in 2018 and later acquired by IBM, built an attacker's-perspective platform combining continuous reconnaissance and on-demand attack simulation.
Randori
Ravelin, founded in the UK in 2014 and later acquired by Worldpay, examines customer behavior data to catch online payment fraud before it completes.
Ravelin
Redscan, founded in the UK in 2002 and later acquired by Kroll, provides services spanning custom vulnerability assessments through managed detection and response.
RedSocks Security, founded in the Netherlands in 2013, provides network threat detection and malware-traffic analysis.
Relativity, formerly kCura and founded in 2001, is a large (1,500+ employee) developer of web-based e-discovery software for managing evidence in litigation and investigations.
Relativity
Resistant AI, a large (100+ employee) Czech company founded in 2019, protects machine-learning systems from adversarial manipulation and advanced fraud.
RevealSecurity, formerly TrackerDetect and founded in Israel in 2018, detects malicious user activity across business applications through application-layer anomaly detection.
RevealSecurity
Revelstoke, an early-stage company founded in 2020, provides low-code security orchestration, automation, and response (SOAR) technology.
Revelstoke
Revenera, founded in 2008, helps software and IoT companies build secure products while managing open-source compliance and monetization.
Risk Based Security, incorporated in 2011, offers analytics and dashboards for identifying industry-specific security risks.
Risk Based Security
Riskified, a large (500+ employee) Israeli company founded in 2012, reviews and guarantees online transactions, offering merchants a full chargeback guarantee on approved orders.
riskified
RiskIQ, founded in 2009 and later acquired by Microsoft, is built to detect threats that undermine the internet's open standards and information-sharing principles.
Riverbed, a large (1,500+ employee) company founded in 2002, is a leading application-performance-infrastructure vendor serving more than 25,000 customers globally.
SafeAeon, founded in 2015, provides 24/7 managed detection and response and SOC services.
Salem Cyber, an early-stage company founded in 2018, provides AI-driven alert-triage automation for security operations centers.
Salem Cyber
Sauron Security, an early-stage Israeli company founded in 2021, provides insider-threat detection and user-activity monitoring.
Sauron Security
SECnology, a Swedish company founded in 2013, provides SIEM and log-management technology for security operations.
SECnology
SECUINFRA, a German company founded in 2010, provides managed detection and response and SOC services.
SecureLink, founded in 2003 and later acquired by Investcorp, specializes in secure remote connections between regulated enterprises (healthcare, energy, gaming, finance) and their technology vendors.
Securitas, a large (10,000+ employee) Swedish company founded in 1934, is a global security services leader with a security-operations practice.
Securitas
SecurityHQ, a large (250+ employee) UK company founded in 2006, is a global managed security service provider (MSSP).
SecurityHQ
SecurityMetrics, founded in 2000, is a large (250+ employee) certified provider of managed data-security services aimed at closing compliance gaps and preventing breaches.
SecurityMetrics
Sentinel Technologies, a large (250+ employee) company founded in 1982, is an IT and managed cybersecurity services provider.
Sentinel Technologies
SEON, a large (250+ employee) Hungarian company founded in 2015, helps online businesses fight fraud with technology built for ease of use and complex risk problems.
SEON – Fraud Prevention
sepago, a German company founded in 2003, provides IT consulting and digital-workplace security services.
sepago
Seric Systems, founded in the UK in 1999, provides IT infrastructure and cybersecurity managed services.
Seric Systems
ServerChoice, founded in the UK in 2001, provides managed hosting and cybersecurity services.
ServerChoice
Shift Technology, a large (500+ employee) French company founded in 2012, provides a SaaS platform that helps insurers improve and scale fraud detection.
shift technology
Signifyd, a large (250+ employee) company founded in 2011, provides fraud-prevention technology with financial chargeback guarantees for e-commerce businesses.
signifyd
Skybox Security, founded in 2002, gives security teams visibility across the attack surface by pulling insight from otherwise siloed security data.
Snode Technologies, a South African company founded in 2015, provides an AI-driven cybersecurity threat-detection platform.
Snode Technologies
Socura, founded in the UK in 2019, provides managed detection and response cybersecurity services.
Socura
Software Diversified Services (SDS), founded in 1982, provides mainframe security and monitoring software.
Software Diversified Services (SDS)
SolCyber, an early-stage company founded in 2021, is a managed security services provider (MSSP).
SolCyber
Solvere One provides managed IT and cybersecurity services.
Solvere One
SORINT.lab, a large (250+ employee) Italian company founded in 2001, provides IT infrastructure and cybersecurity managed services.
SORINT.lab
SourcetekIT, founded in Canada in 2000, provides IT staffing and cybersecurity services.
SourcetekIT
SparkCognition, a large (250+ employee) company founded in 2013, develops and integrates emerging technologies across its security and AI platforms.
Spirent, a large (1,500+ employee) company founded in 1936, helps IT and communications industries evaluate the performance, agility, and security of new technologies.
ST Engineering, a large (10,000+ employee) Singaporean company founded in 1997, is a global technology and defense group with cybersecurity offerings.
Stealth-ISS Group, founded in 2002, provides managed cybersecurity and compliance services.
Stealth – ISS Group Inc.
STIGroup, founded in 1996, provides cybersecurity consulting and managed services.
STIGroup, Ltd.
Surefire Cyber, an early-stage company founded in 2021, provides incident-response and digital-forensics services.
Surefire Cyber
Swascan, an Italian company founded in 2016, offers a GDPR-compliant cloud security suite covering assessments, web application scanning, network scanning, and code review.
Syneren Technologies Corporation, founded in 2007, provides cybersecurity and IT services for government and defense.
Syneren Technologies Corporation
Systems Engineering, founded in 1988, provides managed IT and cybersecurity services.
Systems Engineering
Talea, an Italian company founded in 2005, provides cybersecurity consulting and managed IT services.
Talea S.r.l.
Talion, founded in the UK in 2018, provides managed detection and response cybersecurity services.
Talion
Tapestry Technologies, founded in 2003, provides cybersecurity and systems-engineering services for defense clients.
tapestry technologies, Inc.
TEKPROS, founded in 2005, provides IT infrastructure and cybersecurity services for government.
TEKPROS INC
terreActive, a Swiss company founded in 1996, provides IT security consulting and managed services.
terreActive AG
The Media Trust, founded in 2004, scans client-side code for malware on high-traffic websites, effectively acting as a SOC for their web and mobile properties.
The Scarlett Group, founded in 2015, provides cybersecurity consulting and managed security services.
The Scarlett Group
ThetaRay, a large (250+ employee) Israeli company founded in 2013, uses data-agnostic algorithms to automatically detect unknown threats for financial organizations and critical infrastructure.
Think|Stack, founded in 2011, provides managed IT and cybersecurity services.
Think|Stack
ThreatSpike Labs, founded in the UK in 2013, provides managed detection and response cybersecurity services.
ThreatSpike Labs
Toka, founded in Israel in 2018, provides cyber capabilities and offensive-security technology for government clients.
Toka
TOTAL SERVICE, a Czech company founded in 1991, provides IT infrastructure and cybersecurity services.
TOTAL SERVICE a.s.
Trapp Technology, founded in 2004, provides managed IT and cybersecurity services.
Trapp Technology
Trianz, a large (250+ employee) company founded in 2001, provides digital-transformation and cybersecurity consulting services.
Trianz
Tripwire, part of Belden and founded in 1997, provides endpoint detection and response alongside configuration management, file-integrity monitoring, vulnerability management, and log management.
TrustedSec, a large (100+ employee) company founded in 2012, is a well-regarded security-consulting firm known for prioritizing long-term client relationships.
Trustwave, a large (1,000+ employee) company founded in 1995 and later acquired by LevelBlue, combines cloud and managed security services with a team of researchers and ethical hackers.
Two Six Technologies, a large (250+ employee) company founded in 2001, conducts advanced technology and cybersecurity research for government and defense.
Two Six Technologies
UL Solutions, a large (10,000+ employee) company, guides mobile, payments, and transit businesses through the complexities of electronic-transaction security through its Transaction Security division.
UltraViolet Cyber, a large (100+ employee) company founded in 2023, provides managed detection and response alongside offensive-security services.
UltraViolet Cyber
ValueMentor, founded in the UAE in 2011, provides managed security services and cybersecurity consulting.
ValueMentor
VPLS, founded in 2001, provides managed cloud infrastructure and cybersecurity services.
VPLS
Ward Solutions, an Irish company founded in 1994, provides cybersecurity consulting and managed security services.
Ward Solutions
Whitehat Virtual Technologies, founded in 2004, provides managed IT and cybersecurity services.
Whitehat Virtual Technologies
Yoroi, an Italian company founded in 2015, provides managed detection and response and threat-intelligence services.
Yoroi
Zeneth Technology Partners, founded in 2009, provides cybersecurity and IT services for the federal government.
Zeneth Technology Partners
Zyston, founded in 2015, provides managed cybersecurity and virtual CISO services for mid-market businesses.
Zyston
