HiddenLayer Raises $100M Series B for AI Security Platform

HiddenLayer, an AI security company, has secured a $100 million Series B funding round. This investment was led by Delta-v Capital, with participation from several other firms including Morgan Stanley and Microsoft's Venture Fund. The company plans to use these funds to enhance its enterprise platform. This includes deepening its Agentic Runtime Security capabilities and introducing a new solution called Agent Harness Security. This new solution aims to secure AI coding agents and protect enterprises using autonomous coding agents. HiddenLayer's annual recurring revenue grew more than tenfold this past year, and it added over 50 new platform customers. These customers include major names in finance, government, technology, and pharmaceuticals. The company also supports a leading frontier model provider, securing over 700 million weekly users. This funding will help them continue to meet the growing demand for AI security.