Hackers are already appearing in the MW3 beta through jailbroken consoles. : r/Warzone
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Call of Duty: Modern Warfare 3 | Eurogamer.net
MW3] My account got hacked and now I'm negative xp on every gun. Any ideas on how to fix this? : r/CallOfDuty
Call Of Duty: Modern Warfare 3 (MW3) Cheats, Codes, Cheat Codes, Perks, Walkthrough, Guide, FAQ, Unlockables for PlayStation 3 (PS3) - Cheat Code Central