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Antigen

Continuous offensive security for the enterprise.

y-combinatorFall 2025CybersecurityArtificial Intelligence🇺🇸 San Francisco5 peoplehiring
Abdullah Nauman
Saad Jamal

Abdullah Nauman, Saad Jamal · 2 co-founders

2025Founded
Team
5
current
Co-founders
2
current
Stage
Founded
Source for Founded
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/8/2026

About

Antigen is an AI adversary for the enterprise. It maps, exploits, and secures your attack surface through nightly automated offensive testing and monthly human red team assessments. Every finding is delivered with traces, reproduction steps, and remediation directly in GitHub, Linear, or the Antigen Platform. We work with companies in financial services, healthcare, retail, and government where security is trust. We're backed by Lightspeed, DST Global, and Susa Ventures.

2 founders