HiddenLayer Secures $100M Series B for AI Security Platform

HiddenLayer, an Austin-based AI security company, has raised a $100 million Series B funding round. Delta-v Capital led the investment, with participation from several other firms, including Microsoft’s Venture Fund. The company plans to use this capital to enhance its enterprise platform, specifically focusing on its Agentic Runtime Security capabilities. They will also develop a new product designed to secure AI coding agents. HiddenLayer aims to address the growing AI attack surface, which now includes autonomous agents that write and ship code. The company reported significant growth over the past year, with its annual recurring revenue increasing more than tenfold. It also signed over 50 new platform customers across various sectors, including banking, insurance, and government. This funding will help HiddenLayer continue to develop solutions for the secure use of AI as agentic AI becomes central to how enterprises operate.