Armadin, started by Mandiant founder Kevin Mandia to build AI cybersecurity agents, raised a $255.5M Series B led by a16z and Accel at a $2.5B valuation
THE SO WHAT
A $255.5M Series B at a $2.5B valuation for AI security agents says boards are ready to fund autonomous defense, not just dashboards. CISOs should assume attackers will use similar tooling and start piloting agentic workflows where human analysts are already the bottleneck.
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