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Kevin Mandia Launches Armadin With Nearly $190 Million to Build Autonomous AI Red Teams

Mandia pitches autonomous defenses as essential against machine-speed attacks.

Overview

  • Armadin raised about $189.9–$190 million across Seed and Series A rounds led by Accel, with participation from Google Ventures, Kleiner Perkins, Menlo Ventures, Ballistic Ventures, 8VC, and In-Q-Tel.
  • The financing is described by the company and trade press as the largest combined Seed and Series A in cybersecurity to date.
  • The startup says its platform uses specialized agentic AI in an "attacker swarm" that conducts continuous, autonomous red teaming to identify exploitable weaknesses.
  • Since forming in September, Armadin has hired more than 60 employees and begun engagements with Fortune 100 companies, according to company statements.
  • The leadership team includes CTO Travis Lanham, chief offensive security officer Evan Peña, and chief architect David Slater, with Mandia leveraging his Mandiant track record and industry ties.