Mandiant Founder Kevin Mandia Raises $190M for Autonomous AI Security Startup Armadin

Kevin Mandia, founder of cybersecurity firm Mandiant, has raised $190 million for his new company Armadin, which builds autonomous AI agents designed to detect and respond to cybersecurity threats without human intervention. The startup develops software agents that can learn from attack patterns and respond to threats in real time, removing the bottleneck of waiting for human security analysts to triage and act on alerts. The funding round positions Armadin as one of the most well-capitalized entrants in the growing AI-for-cybersecurity space. Mandia brings significant credibility to the effort. Mandiant, which he founded in 2004, became the go-to incident response firm for major breaches and was acquired by Google in 2022 for $5.4 billion. His track record gives Armadin an immediate advantage in selling to enterprise security teams already familiar with his work. The raise comes as cybersecurity firms increasingly incorporate AI agents into their products, with the promise of reducing response times from hours to seconds. CrowdStrike, Palo Alto Networks, and others have all announced agentic security features in recent months.