Security · founded 2021
Cinder
Trust and safety infrastructure for large internet platforms: policy enforcement, AI agents against abuse, investigations and NCMEC reporting in one command center.
Private, New York. Raised a $41M Series B led by Radical Ventures (May 2026), with Accel, Y Combinator and M12. Customers include OpenAI, Spotify and Depop.
Founders
Glen Wise, Phil Brennan
Palantir alumni at Cinder
- Kyle Mckay, Engineering, Core Infrastructure