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Onyx Security Says It Now Supervises 1.1 Million Agents Across 1.8 Million Employees
Onyx Security raised $113M led by Bessemer at a reported $640M valuation, bringing total funding to $153M just four months after exiting stealth in March 2026 with $40M, with revenue quadrupling in that window. The concrete scale numbers are the useful part: its AI control plane — centered on a 'Guardian Agent' that watches other agents in real time and intervenes — claims coverage of over 1.1 million agents and 1.8 million employees, having analyzed 66.2 million sessions. Source is July 30, included as the first hard deployment-scale figure attached to the agent-governance vendor wave rather than as new funding news.
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