a16z Leads Armadin's Series B for Autonomous AI Security Testing Platform

Andreessen Horowitz is leading Armadin's Series B round for an autonomous AI security platform that runs continuous offensive testing across applications, cloud, identity, and internal networks.

The platform uses an agentic attacker swarm to produce validated kill chains showing reachability, exploitability, and blast radius, followed by proactive remediation.

The article's investment framing is grounded in the company's founders, including Kevin Mandia, founder of Mandiant.