Adaptive Security Secures $55 Million Series A Investment From OpenAI Startup Fund
Adaptive Security , a New York-based AI social engineering prevention company led by CEO Brian Long, secured an additional investment from the OpenAI Startup Fund , bringing its Series A round to $55 million . The fun…
Adaptive Security, a New York-based AI social engineering prevention company led by CEO Brian Long, secured an additional investment from the OpenAI Startup Fund, bringing its Series A round to $55 million. The funding will support scaling operations and advancing its platform, which uses AI simulations, personalized training, and real-time risk assessment to defend organizations against deepfake persona attacks, AI-driven phishing, and other multi-channel social engineering threats.
INVESTOR: OpenAI Startup Fund
ROUND: Series A AMOUNT: $55,000,000
HQ: #NewYork #NY #NewYorkCity #NYC
#VentureCapital #BrianLong #AdaptiveSecurity #OpenAIStartupFund #TradedVC
ABOUT THE DEAL
- Raise
- $55M
- Round
- Series A
- Company
- Adaptive Security
- Desk
- Deals
- Filed
- Sep 12, 2025
- Investors
