Source: https://guardingpearsoftware.com/anticheat/
GuardingPearSoftware's Anti Cheat Pro
An interesting Anti-Cheat that is being used by Phasmophobia. I had to uninstall that game, can't support this invasive anti-cheat. I have been unable to play the game since because it required me to uninstall any and all cheat tools, mods from my pc.