Easy Anti-Cheat (EAC), owned by Epic Games, combines a kernel-mode driver with server-side validation and periodic integrity checks of game memory and files. It is used across a wide range of titles including Fortnite and Apex Legends.
EAC's design emphasizes rapid signature updates pushed from the server, allowing new detections to be deployed without a full game patch. This is paired with heuristic monitoring of process and driver activity described in the Detection Categories page.