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 ...

NEW YORK, Dec. 16, 2025 /PRNewswire/ -- Adaptive Security today announced it has raised an $81 million Series B funding round led by Bain Capital Ventures, with participation from NVentures (NVIDIA's ...

Stream NBC 5 for free, 24/7, wherever you are. Artificial intelligence cybersecurity company Adaptive Security announced Wednesday that it closed a $43 million funding round in March, co-led by OpenAI ...

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 ...