The burgeoning field of AI-native security just saw a significant capital injection, with Straiker announcing a $64.0M Series A funding round. The startup, which specializes in protecting agentic applications across every layer of the AI stack, secured investment from a broad group of backers.
Marathon Management Partners and Illuminate Financial led the round, joined by Workday Ventures, Citi Ventures, Bain Capital Ventures (BCV), Lightspeed, Rain Capital, Firebolt Ventures, Sixty Degree Capital, Neva Ventures, and GTM Capital. Straiker differentiates itself by building security from the ground up with fine-tuned models, moving beyond mere prompt layer protection.













