How Valve’s VACNet Uses Machine Learning to Detect Cheaters

HN cites it as a source for how Valve uses machine learning on player behavior to detect cheating.

3kliksphilip summarizes Valve's GDC talk on VACNet, a deep-learning system that flags CS:GO cheaters and feeds the Overwatch review queue. It covers Trust Factor, VAC, and how the data is collected and analyzed.