The built-in anti-cheat system checks for specific baseline discrepancies. It looks for impossible inventory states or DLC ownership mismatches. 1. Using Unowned DLC Items

If you're experiencing any of the following issues, you might have a cheater tag:

This is the #1 cause. You are using a mod or a script that gives you weapons, masks, or modifications that you do not legally own (via DLC or in-game achievements). If the server checks your inventory and sees a "Vulcan Minigun" but your account has no receipt for the Gage Weapon Pack #2 , you are flagged.

You own a weapon, mask, or attachment that you should not have based on your level or achievements.

The system primarily detects "impossible" game states or unowned content: