Overview
Armadin is a Palo Alto-based AI-native cybersecurity company founded by kevin-mandia (former mandiant CEO). The platform delivers always-on agentic offensive security — deploying swarms of specialized AI agents that chain vulnerabilities into validated attack paths, replacing periodic penetration tests with continuous adversary simulation.
Recent Developments
- 2026-10-01: 2.5B valuation; a16z + Accel co-lead; total funding $445M in under 12 months (2026-10-02-armadin-series-b-reuters)
- Investors: Bain Capital Ventures, Redpoint, 8VC, Ballistic Ventures, Google Ventures, In-Q-Tel, Kleiner Perkins, Menlo Ventures
- Customers: Fortune 500 and government; live agentic campaigns in production
- 2026-08: TENEX.ai exercise — 1,300 attacks, 26K agents, 17M offensive actions, 38 validated attack paths (2026-10-02-armadin-series-b-securityweek)
Related
- kevin-mandia
- mandiant
- agentic-cybersecurity
- continuous-penetration-testing
- ai-security
- ai-red-teaming