Kevin Mandia’s new ‘agent swarm’ security startup Armadin raises $255.5M at $2.5B valuation

1 week ago 17

In Brief

Posted:

2:55 PM PDT · October 1, 2026

AI agents, AI swarm, cause  hackersImage Credits:TechCrunch / AI generated
  • Julie Bort

Kevin Mandia, champion known arsenic the laminitis of cybersecurity startup Mandiant that sold it to Google for $5.4 cardinal successful 2022, has raised $255.5 cardinal for his latest startup, Armadin, astatine a valuation of much than $2.5 billion, the institution announced on Thursday. 

The Series B circular was led by Andreessen Horowitz and Accel, with Bain Capital Ventures, Redpoint, 8VC, Ballistic Ventures, Google Ventures, In-Q-Tel, Kleiner Perkins, and Menlo Ventures joining in.

The caller circular comes conscionable six months aft Armadin raised a $190 cardinal Series A successful March. It has present raised much than $445 million.

Armadin is offering enterprises a caller benignant of always-on information by reimagining defence investigating for the AI era. Instead of accepted penetration tests, wherever hired guns effort to interruption successful and study connected the weaknesses they find, Armadin runs always-on agentic swarms, who concatenation unneurotic vulnerabilities to hack in. The thought is to assistance organizations find and seal holes earlier immoderate atrocious guys (or adjacent AI labs with rogue agents), tin usage use agentic tech against them.

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