Straiker

Straiker is an agentic AI security company that secures AI agents across discovery, testing, and runtime. Its platform inventories agents and tools, red-teams them before deployment, and blocks prompt injection, manipulation, and data leakage at runtime through a single hook-based integration. Founded in 2024 and based in Sunnyvale, California, the company raised a $64M Series A led by Marathon with Bain Capital Ventures and Lightspeed, and serves enterprises adopting AI agents across finance, healthcare, media, and technology.