The Daily Raise/October 1, 2026
Funding round
Armadin raises $255.5M Series B round
Armadin (United States) has raised $255.5M in a Series B round, announced on October 1, 2026. The company is Builds autonomous AI security systems that detect and remediate enterprise cyber threats. The round was led by Andreessen Horowitz (a16z), with participation from Accel, Bain Capital Ventures (BCV), Redpoint, 8VC, Ballistic Ventures, Google Ventures, In-Q-Tel, Kleiner Perkins, Menlo Ventures.
Armadin raised a $255.5 million Series B to scale its autonomous security platform, research, training, and go-to-market efforts.
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This deal appeared in The Daily Raise, October 1, 2026. Get the next edition in your inbox.
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