Call of Duty is using clones of real players to mess with cheaters
 

Activision has employed a string of tactics in its cat-and-mouse battle with Call of Duty cheaters, from making them unable to see targets to simply taking their guns away. The latest measure is one of the first steps that the developers are taking to combat Modern Warfare II and Warzone 2.0 hackers who use banned tools (for instance, wallhacks) to learn extra information and gain an unfair advantage over others.

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