Adaptive Security Inc. said today it’s expanding its latest funding round with an additional investment from OpenAI’s Startup Fund, bringing its total amount raised to $55 million. Though the company ...

Adaptive Security Inc., a startup that helps companies test their cybersecurity posture using simulated social engineering attacks, has raised $43 million in fresh funding. Andreessen Horowitz and the ...

According to a blog post on Adaptive Security’s website, this is the first time OpenAI’s Startup Fund has ever invested in a cybersecurity company. Like most other cybersecurity firms, which offer ...

Artificial intelligence cybersecurity company Adaptive Security announced Wednesday that it closed a $43 million funding round in March, co-led by OpenAI and Andreessen Horowitz. The investment marks ...

NEW YORK, May 7, 2025 /PRNewswire/ -- Adaptive Security, OpenAI's first cybersecurity investment and the leading provider of next generation security awareness training and AI attack simulations, ...

NEW YORK, Oct. 31, 2025 /PRNewswire/ -- Adaptive Security, the first and only cybersecurity company backed by the OpenAI Startup Fund, has been named to Fortune's annual Cyber 60, recognizing the most ...

Cybersecurity relies as much on human behavior as it does on technology. Even the most robust firewalls can be rendered ineffective with a single thoughtless click. As organizations face increasingly ...