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Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.
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See also Security awareness training providers and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
Abnormal AI Abnormal AI uses behavioural analysis to detect and stop email, identity, and AI-driven cyber attacks. | Email security | San Francisco, United States | 2018 | Private |
Arctic Wolf Arctic Wolf provides managed security operations, threat detection and incident response services to organisations. | Managed detection and response | Eden Prairie, United States | 2012 | Private |
Boston Managed IT Boston Managed IT is a managed service provider based in Waltham, Massachusetts, founded in 2017. | Managed security services | Waltham, United States | 2015 | Private |
Breach Secure Now Provides cybersecurity awareness, AI readiness, and compliance training to employees through managed service providers. | Security awareness and human risk | Morristown, United States | Private | |
Cofense Cofense provides phishing detection and response services using AI and human validation. | Email security | Arlington, United States | Private | |
EC-Council EC-Council is a cybersecurity certification and training body. | Security awareness and human risk | United States | 2001 | Private |
ERMProtect ERMProtect provides cybersecurity assessments, penetration testing, compliance audits, and digital forensics services. | Penetration testing | Coral Gables, United States | 1998 | Private |
GRIMM Michigan security research firm offering penetration testing and training for vehicles and other transport systems. | Penetration testing | Cedar Springs, United States | Private | |
IRONSCALES Provides AI-driven email security to stop phishing, business email compromise, and deepfake attacks. | Email security | Atlanta, United States | 2014 | Private |
ISC2 ISC2 is a membership association that provides cybersecurity certifications, training and continuing education for professionals. | Security awareness and human risk | Alexandria, United States | 1989 | Private |
Kaseya Kaseya provides software for IT management, security and automation to IT teams and managed service providers. | Managed detection and response | Miami, United States | 2000 | Private |
KnowBe4 KnowBe4 provides a platform for security awareness training and AI agent security to reduce human risk. | Security awareness and human risk | Clearwater, United States | Owned by Vista Equity Partners | |
LHP Engineering Solutions US engineering consultancy offering ISO 21434 consulting, TARA, security verification and automotive cybersecurity training. | Automotive cybersecurity | Columbus, Indiana, United States | 2001 | Private |
Living Security Living Security provides a platform that measures and reduces human risk in organisations. | Security awareness and human risk | Austin, United States | 2017 | Private |
Mile2 Mile2 provides vendor-neutral cybersecurity certification and training programmes for professionals worldwide. | Security awareness and human risk | Q49255, United States | 2008 | Private |
N-able N-able provides cybersecurity and IT management software for managed service providers and businesses. | Managed security services | Burlington, United States | Public, NABL | |
Netwrix Netwrix provides software to protect data and secure identities across IT environments. | Data loss prevention | Frisco, United States | 2006 | Owned by TA Associates |
NINJIO NINJIO provides cybersecurity awareness training and human risk management through personalised coaching and phishing simulations. | Security awareness and human risk | Westlake Village, United States | Private | |
Proofpoint Proofpoint provides cybersecurity solutions to protect people, data, and AI across email, cloud, and collaboration tools. | Email security | Sunnyvale, United States | 2002 | Owned by Thoma Bravo |
Safetica Technologies Safetica provides AI-powered data protection, insider risk, cloud security, and compliance software. | Data loss prevention | San Jose, United States | 2007 | Private |
SANS Institute SANS Institute provides cybersecurity training, certifications, and resources to professionals and organisations worldwide. | Security awareness and human risk | North Bethesda, United States | 1989 | Private |
SBS CyberSecurity US cybersecurity consulting, audit and testing firm founded in 2004, focused on community banks and credit unions, with external, internal, web application, wireless and PCI DSS penetration testing plus CMMC Level 1 and 2 readiness work. | Penetration testing | Madison, United States | 2004 | Private |
SECNORA CREST-accredited information security and GRC consulting firm near Dallas. Pairs full-scope penetration testing with governance, risk, and compliance advisory and security training. | Penetration testing | Dallas, United States | Private | |
SkillBit SkillBit provides hands-on cybersecurity skills training and assessment through bite-sized labs. | Security awareness and human risk | Charlottesville, United States | Private | |
UpGuard UpGuard provides a platform for managing cyber risk across vendors, attack surface, and workforce. | Third-party risk and security ratings | Mountain View, United States | 2012 | Private |
Vanta Vanta provides a platform for automating security compliance and risk management. | GRC and compliance automation | San Francisco, United States | 2018 | Private |