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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.
Results
See also Vulnerability management vendors and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
AISLE AISLE provides AI-native vulnerability management that finds, fixes, and verifies software vulnerabilities. | Vulnerability management | San Francisco, United States | Owned by Cohere | |
Armis Armis provides cyber exposure management and security for connected devices and operational technology. | IoT, embedded and product security | United States | Part of ServiceNow | |
Asimily Asimily provides a platform to discover, assess, and mitigate risks for IoT, OT, and IoMT devices. | IoT, embedded and product security | Sunnyvale, United States | Private | |
AttackIQ AttackIQ provides a platform for continuous threat exposure management and adversarial exposure validation. | Breach and attack simulation | Los Altos, United States | 2014 | Private |
Axonius Asset intelligence platform that builds one inventory of every asset from connected IT and security tools to find coverage gaps and prioritise exposures. | Attack surface management | New York, United States | Private | |
BackBox BackBox provides a cyber resilience platform for automating network security, compliance, and lifecycle management. | Backup and cyber recovery | Addison, United States | 2009 | Private |
Bitsight Bitsight provides a cyber risk intelligence platform. | Third-party risk and security ratings | Back Bay, United States | 2011 | Private |
B BreachLock Cloud-based Penetration Testing as a Service platform combining AI-driven automation with expert manual testing at accessible price points. | Penetration testing | New York, United States | 2019 | Private |
Brinqa Brinqa provides a platform that unifies and prioritises exposure data for cybersecurity teams. | Vulnerability management | Austin, United States | Private | |
Chainguard Chainguard builds hardened, verified open source container images, libraries and packages to reduce vulnerabilities. | Software supply chain and SBOM | Seattle, United States | Private | |
Clone Systems Provides penetration testing, PCI ASV scanning, and managed security services for compliance and threat detection. | Penetration testing | Philadelphia, United States | 1998 | Private |
Codename Sonar Codename Sonar provides defensive reconnaissance for blue-team testing, including host discovery and network exposure assessment. | Vulnerability management | Midlothian, Virginia, United States | 2021 | Private |
Critical Start Critical Start provides managed detection and response services to monitor, investigate, and resolve security threats for organisations. | Managed detection and response | Plano, United States | 2012 | Owned by Vista Equity Partners |
CrowdStrike CrowdStrike provides AI-native cybersecurity solutions to stop breaches. | EDR and XDR | Austin, United States | 2011 | Public, CRWD |
Crush Security Resells security products and provides assessment, testing and advisory services with a data platform. | Security consulting and vCISO | United States | 2026 | Private |
Cyble Cyble provides AI-native threat intelligence and cybersecurity platforms for enterprises and governments. | Threat intelligence | Cupertino, United States | 2020 | Private |
CyCognito CyCognito provides a platform that discovers and tests external attack surfaces to identify security exposures. | Attack surface management | Palo Alto, United States | Private | |
Cyware Cyware provides a platform for threat intelligence management, security orchestration, and collective defense. | Threat intelligence | Jersey City, United States | Private | |
Eclypsium Eclypsium provides continuous assurance of critical hardware, firmware, and software across enterprise infrastructure. | IoT, embedded and product security | Portland, United States | 2017 | Private |
Finite State Finite State provides a product security platform for connected devices, automating SBOM generation, vulnerability analysis, and compliance evidence. | Software supply chain and SBOM | Columbus, United States | 2017 | Private |
Forescout Technologies Forescout provides a platform for managing cyber risk and mitigating threats across IT, OT, IoT, and IoMT devices. | OT and ICS security | San Jose, United States | Owned by Advent International and Crosspoint Capital Partners | |
Horizon3 Horizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments. | Penetration testing | San Francisco, United States | 2019 | Private |
Invicti Invicti provides web application and API security testing software for enterprises. | Application security testing | Austin, United States | 2005 | Private |
Iru Iru is a software company that sells a unified platform for managing devices, identity and compliance. | EDR and XDR | Coral Gables, United States | 2018 | Private |
Ivanti Ivanti provides software for managing and securing endpoints, IT services, networks and supply chains. | Vulnerability management | South Jordan, United States | Private | |
JFrog Software supply chain security and artifact management platform that blocks risky open source packages, scans for exploitable vulnerabilities and governs releases and AI models. | Software supply chain and SBOM | Sunnyvale, United States | Private | |
Manifest SBOM and vulnerability management platform that helps carmakers and suppliers track risk in vehicle software. | Software supply chain and SBOM | United States | 2021 | Private |
Microsoft Microsoft sells software, cloud services, hardware, and gaming products. | Identity and access management | Redmond, United States | 1975 | Public, MSFT |
Morphisec Morphisec sells endpoint security software that blocks ransomware and governs AI tools on devices. | Endpoint protection and antivirus | New York, United States | Private | |
NetRise NetRise analyses compiled software to create an inventory of components and identify supply chain risks. | Software supply chain and SBOM | Austin, United States | 2020 | Part of Dragos |
Nozomi Networks Nozomi Networks provides OT and IoT security solutions for critical infrastructure, offering asset visibility and threat detection. | OT and ICS security | San Francisco, United States | Owned by Mitsubishi Electric | |
Nucleus Security Nucleus Security provides a platform to automate vulnerability and exposure management for enterprises and government agencies. | Vulnerability management | Sarasota, United States | 2019 | Private |
P Paramount Defenses Paramount Defenses provides software to assess privileged access and identify privilege escalation paths in Microsoft Active Directory. | Privileged access management | Newport Beach, United States | 2006 | Private |
Picus Security Picus Security provides a platform that validates exposures and security controls by simulating cyber attacks. | Breach and attack simulation | Wilmington, United States | 2013 | Private |
PlexTrac PlexTrac provides a platform for penetration test reporting, vulnerability management, and remediation orchestration. | Vulnerability management | Boise, United States | Part of Brinqa | |
Praetorian Offensive security firm founded by former DoD professionals. Combines deep offensive testing with the Chariot attack surface management platform and its Exploit validation engine. | Penetration testing | Austin, United States | 2010 | Private |
ProjectDiscovery ProjectDiscovery builds open-source security tools and infrastructure for mapping, probing, crawling, and detecting vulnerabilities. | Vulnerability management | San Francisco, United States | 2020 | Private |
Qualys Qualys provides an enterprise cyber risk and security platform. | Vulnerability management | Foster City, United States | 1999 | Public, QLYS |
Quantara AI Quantara AI provides an AI-native platform for cyber risk quantification and prioritization. | GRC and compliance automation | Eagle, United States | Private | |
Rapid7 Rapid7 provides AI-powered managed cybersecurity operations, including MDR, SIEM, and vulnerability management. | Vulnerability management | Boston, United States | 2000 | Public, RPD |
Red Hat Open source software company whose Advanced Cluster Security product protects Kubernetes and container workloads, alongside Red Hat Enterprise Linux and OpenShift. | Cloud workload and container security | Raleigh, United States | Private | |
Redbot Security Denver-based boutique pen testing firm with senior-only testers. Personalised engagements across penetration testing, red teaming, and vulnerability management. | Penetration testing | Denver, United States | 2016 | Private |
runZero runZero provides exposure management software that discovers and profiles assets across IT, OT, IoT, cloud and mobile networks. | Attack surface management | Austin, United States | 2018 | Part of Dragos |
SafeBreach SafeBreach provides a platform that validates security controls and manages cyber exposure for enterprises. | Breach and attack simulation | Sunnyvale, United States | Private | |
Securin Vulnerability intelligence-driven penetration testing firm providing contextual security assessments informed by threat actor exploitation data and ransomware tracking. | Penetration testing | Albuquerque, United States | 2009 | Private |
Senteon Senteon automates endpoint hardening and CIS benchmark compliance for audits. | Endpoint protection and antivirus | Matawan, United States | Private | |
Siemba Siemba provides autonomous and expert-led penetration testing for security teams. | Penetration testing | Alpharetta, United States | Private | |
Sonatype Sonatype provides tools to manage and secure open source components and AI models in software development. | Software supply chain and SBOM | Fulton, United States | Private | |
STACK Cybersecurity Provides managed IT services, cybersecurity, compliance support and AI adoption guidance to businesses. | Managed security services | Livonia, United States | Owned by IT Solutions | |
Synack FedRAMP-authorized crowdsourced penetration testing platform combining the vetted SRT researcher community with AI-powered Hydra technology for continuous security testing. | Penetration testing | Redwood City, United States | 2013 | Part of NetSPI |