Onyx Security
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Investors
Founders
About
Onyx Security operates the Secure AI Control Plane, a platform that helps enterprises govern autonomous AI agents deployed inside their organizations 12. Co-headquartered in New York and Tel Aviv-Yafo, the company was founded in 2024 by Maxim Bar Kogan (CEO) and Gil Elbaz 1. Onyx reports securing more than 1.1 million agents across enterprise customers and inspecting more than 66 million AI sessions in real time 1. In June 2026, Anthropic announced an integration with Onyx to secure enterprise AI adoption 2.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-07-29 | Series B | $113M | Bessemer Venture Partners | Cyberstarts, TCV, Conviction, FirstMark, Vintage Investment Partners, QuantumLight, G Squared 123 |
The Series B was raised at approximately $640 million post-money valuation, four months after Onyx emerged from stealth 23. Total funding since founding is $153 million 2.
What Investors Say
No independently sourced investor commentary found beyond the funding announcement. New primary quotes will be added when discovered.
What Founders Say
No independently sourced founder testimonials found at this time.
Sources
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“Onyx’s $113M Series B: Keeping Humans in Control as AI Becomes Smarter,” Onyx blog, July 2026. Accessed July 2026. https://www.onyx.security/blog/onyx-113m-series-b-keeping-humans-in-control-as-ai-becomes-smarter↩↩↩↩
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“Onyx Security Raises $113M Series B to Control Advanced AI, Quadrupling Revenue since Stealth Launch Four Months Ago,” Yahoo Finance (via Business Wire), July 29, 2026. Accessed July 2026. https://finance.yahoo.com/technology/ai/articles/onyx-security-raises-113m-series-210500945.html↩↩↩↩↩
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“Onyx raises $113m to keep humans in control of AI agents,” FinTech Global, July 30, 2026. Accessed July 2026. https://fintech.global/2026/07/30/onyx-raises-113m-to-keep-humans-in-control-of-ai-agents/↩↩