ThreatLocker Raised $190M Series F to Extend Deny-by-Default Zero Trust to AI Agents, Nearing $500M Total Raised
ThreatLocker announced a $190M Series F on July 29 led by Elephant with a significant new investment from Koch Disruptive Technologies and participation from D. E. Shaw Ventures and Arthur Ventures, bringing lifetime funding to roughly $500M after prior rounds of $20M, $100M, $115M and $60M. The platform inverts the usual detection model by denying anything not explicitly permitted, and the stated use of funds is controls against AI-related security risk plus international expansion starting with a Reading, UK office; it currently covers more than 70,000 organizations. Coming a day after a cluster of agent-permission rounds, this is the incumbent-scale version of the same thesis: allowlisting, not anomaly detection, is how enterprises intend to contain autonomous software.
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