HiddenLayer Raises $100M Series B to Expand AI Agent Security Platform

HiddenLayer, an Austin-based AI security company, announced on September 2, 2026 that it has raised a $100 million Series B round led by Delta-v Capital, with participation from Ten Eleven Ventures, Morgan Stanley, M12, Microsoft's Venture Fund, and Booz Allen Ventures. The company said it will use the funding to deepen its enterprise platform, including its Agentic Runtime Security capabilities and a new product for securing AI coding agents. The company's announcement describes HiddenLayer as…

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