Global Venture Capital · Week of Oct 5, 2026

Armadin, Kevin Mandia's agentic security startup, raises $255.5M Series B at $2.5B+ valuation

Help Net Security · 2026-10-01

Armadin closed a $255.5M Series B co-led by a16z and Accel, valuing it above $2.5B and lifting total funding to $445M, roughly seven months after leaving stealth. Investors are betting heavily on AI agents that probe enterprise defenses like attackers.

Vocabulary
  • co-ledjointly led a funding round
  • go-to-marketthe strategy and teams for selling a product to customers
  • offensive securitysecurity testing that simulates real attacks to find weaknesses
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