Active companies

Companies their accelerator lists as active, or whose site is alive. 17,200 companies.

CompanyClusterProgramStatusLast signal
Caution

Hosting platform for software you don't want to have hacked

Security and complianceconfidential compute attestation platformY CombinatorS26Activechecked 2026-08-23
FabraixAI

The world's frontier hacker for AI agents.

Security and complianceAI agent security red-teamingY CombinatorS26Activechecked 2026-08-23
Nebula SecurityAI

Building Mythos for everyone

Security and complianceAI-powered security auditing and vulnerability detectionY CombinatorS26Activechecked 2026-08-23
PalisadeAI

AI that finds and fixes OS-level vulnerabilities across device fleets

Security and complianceautonomous vulnerability detection and remediationY CombinatorS26Activechecked 2026-08-23
Traceforce

Securing AI native apps directly on devices

Security and complianceAI app security and compliance monitoringY CombinatorS26Activechecked 2026-08-23
TridentAI

Agents that find real exploitable vulnerabilities in your company

Security and complianceAI-powered continuous penetration testingY CombinatorS26Activechecked 2026-08-23
Verdict MachineAI

AI cybersecurity for financial institutions' digital assets

Security and complianceAI cybersecurity for crypto financial institutionsY CombinatorS26Activechecked 2026-08-23
IncandorAI

Behavioral intelligence infrastructure for anti-fraud

Security and compliancebehavioral fraud detection infrastructureY CombinatorX26Activechecked 2026-08-23
Inth

Enterprise privacy governance for companies that ship fast

Security and compliancecode-native privacy governanceY CombinatorX26Activechecked 2026-08-23
RASPIREAI

Autonomous Runtime Security

Security and complianceAI-powered runtime threat detectionY CombinatorX26Activechecked 2026-08-23
Regbase

Automating Corporate Compliance, Worldwide

Security and complianceCompliance automation platformY CombinatorX26Activechecked 2026-08-23
TolmoAI

Tolmo is the AI security platform that secures every layer of cloud…

Security and complianceAI-driven cloud security agentsY CombinatorX26Activechecked 2026-08-23
BeeSafe AIAI

Frontier AI Defenses for Social Engineering Attacks

Security and complianceAI defense against social engineeringY CombinatorW26Activechecked 2026-08-23
Crosslayer Labs

Protect, monitor and defend your Internet presence

Security and complianceInternet infrastructure attack detectionY CombinatorW26Activechecked 2026-08-23
Didit

Infrastructure for identity and fraud.

Security and complianceKYC/KYB/AML infrastructureY CombinatorW26Activechecked 2026-08-23
LexiusAI

AI for Corporate Security Cameras

Security and complianceAI security camera intelligenceY CombinatorW26Activechecked 2026-08-23
MouseCatAI

AI to fight financial crime

Security and complianceAI fraud detection and investigationY CombinatorW26Activechecked 2026-08-23
ParameterAI

Agentic Offensive Security at Scale

Security and complianceAI agents for penetration testingY CombinatorW26Activechecked 2026-08-23
ProtentAI

Real time intelligence for law enforcement & security teams.

Security and complianceReal-time threat detection for law enforcementY CombinatorW26Activechecked 2026-08-23