HiddenLayer, an Austin-based AI security company founded in 2022, has raised $100 million in a Series B funding round, bringing its total funding to over $155 million. The company plans to use the funds to expand its enterprise platform with agentic runtime security capabilities, focusing on giving enterprises visibility into AI agent behaviour in production to detect and stop threats like manipulation and unauthorized actions. The round was led by Delta-v Capital, with participation from Booz Allen Ventures, Microsoft's M12, Morgan Stanley, and Ten Eleven Ventures.
