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Antigen

YC F25

San Francisco, US · Founded 2026 · 5 employees · 1 known investors

antigen.sh

Antigen provides continuous offensive security testing for enterprise production environments using AI agents nightly and human red teams monthly, with findings integrated into engineering tools.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareAIin /antigenco@antigenco

Founders & leadership· Y Combinator alumni (F25)

Investors · 1

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