Adaptive Security, the leading AI social engineering prevention company, today announced a follow-on investment from the OpenAI Startup Fund, bringing the most recent funding round for the company to $55 million. Adaptive remains the OpenAI Startup Fund's only cybersecurity investment, highlighting the firm's confidence in its approach to human-centered protection amid rapidly evolving AI threats.

Adaptive Security is the leading provider of AI-powered social engineering prevention solutions, specializing in protection against deepfake persona attacks, AI-driven phishing and multi-channel social engineering threats. By combining advanced AI simulations, real-time risk assessment and security training, Adaptive empowers organizations to proactively defend against emerging cyber threats.