HiddenLayer Secures $100 Million for AI Security Expansion

HiddenLayer, an AI security company, announced a $100 million Series B funding round on September 2, 2026, aimed at enhancing its platform for securing agentic, generative, and predictive AI applications. The investment, led by Delta-v Capital, will focus on expanding capabilities in AI runtime security to protect enterprises from evolving threats. HiddenLayer's annual recurring revenue grew over 10x, and it secured over 50 new customers, including major names across various sectors. The company emphasizes the need for specialized security tools designed for AI, as traditional methods are inadequate against AI-specific vulnerabilities. HiddenLayer's research team has developed a comprehensive Adversarial Prompt Engineering Taxonomy and holds numerous patents related to AI security. The funding will allow HiddenLayer to continue its mission of ensuring safe AI adoption in enterprises.

Key Points: • HiddenLayer raised $100 million to enhance AI security capabilities. • The company aims to protect enterprises from evolving threats in AI applications. • Over 50 new customers were secured, reflecting significant growth in demand for AI security.