1. A Full Anti-Cheat System. RICOCHET Anti-Cheat brings a broad enhancement to the security of for Call of Duty, bringing server enhancements to Call of Duty: Vanguard and Call of Duty: Warzone. Launching first in Warzone later this year is a new kernel-level driver on PC. The driver will be integrated into Call of Duty: Vanguard at a later date. The new initiative allows for rapid iteration to combat a sophisticated and evolving problem.