HiddenLayer Raises $100M Series B to Advance Trustworthy AI
The startup said annual recurring revenue grew more than 10x as it adds runtime security tools for autonomous coding agents and expands sales globally.
- On Wednesday, Sept. 2, 2026, Austin-based AI security startup HiddenLayer closed a $100 million Series B funding round led by Delta-v Capital and Ten Eleven Ventures, with participation from Morgan Stanley, Microsoft's M12, and Booz Allen Hamilton.
- Gartner estimates companies will spend $2.83 billion this year on AI security tools, representing an 83% increase over 2025 and reflecting enterprise urgency to protect rapidly expanding AI deployments from threats.
- HiddenLayer CEO Chris Sestito reported annual recurring revenue grew more than 10x over the past year, with the company signing more than 50 new platform customers across financial services, defense, and intelligence communities.
- The company recently named Mike Gesnaldo as Chief Revenue Officer and will use the funding to deepen its Agentic Runtime Security and Agent Harness Security offerings while expanding into Europe and the wider EMEA region.
- "Traditional security tools were built for code and infrastructure," said Dan Williams, Partner at Delta-v Capital, emphasizing why HiddenLayer's full-lifecycle AI security platform addresses an emerging category of enterprise protection.
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15 Articles
With increasing threats associated with artificial intelligence, companies seek to secure their flyers better. HiddenLayer, the emerging company in the field of artificial intelligence safety, raised $100 million to expand its services. HiddenLayer collects $100 million as companies speed up to secure artificial intelligence flyers when the emerging HiddenLayer in the field of artificial intelligence safety collected $50 million in... the articl…
PR Newswire
HiddenLayer Raises $100M Series B to Advance Trustworthy AI
/PRNewswire/ -- HiddenLayer, the leading AI security company that secures agentic, generative, and predictive AI applications, today announced a $100 million...
HiddenLayer secures $100m to protect agentic AI systems
HiddenLayer, the AI security company that protects agentic, generative and predictive AI applications for enterprises, has closed a $100m Series B funding round. The round was led by Delta-v Capital, with additional backing from Ten Eleven Ventures, Morgan Stanley, M12, Microsoft’s venture arm, and Booz Allen Ventures. The fresh capital will be channelled into expanding […]
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