Cybersecurity startup Straiker today announced raising $64 million in a Series A funding round that brings the total raised by the company to $85 million.
The new investment round was co-led by Marathon Management Partners, Citi Ventures, Illuminate Financial, and Workday Ventures, with additional support from Bain Capital Ventures and Lightspeed.
Launched in 2025, California-based Straiker has built a platform that helps organizations identify AI agents in their environments and gain visibility into their access, behavior, and risks.
The solution, Straiker says, integrates comprehensive AI discovery with pre-deployment adversarial testing that surfaces vulnerabilities and runtime protection that stops threats in real time.
Pre-deployment testing is improved based on threat detections from production, while runtime protections are strengthened through the identification of flaws during testing.
