Hacks are already out for MW2 : r/modernwarfare2

Call of Duty®: Modern Warfare® II Multiplayer Overview — Everything Available at Launch

Call of Duty fans slam Activision for shutting down community project that let them play older games without risk of getting hacked

Call Of Duty: Modern Warfare 2 (multiplayer) review: slick shooting that rarely misfires

Infinity Ward Nukes Modern Warfare 2 Glitches

Modern Warfare 2 players bash “farce” RICOCHET as cheaters take over - Dexerto

Experts already warning Modern Warfare 3 will be 'riddled' with cheaters

hackers will never get banned now lmfao : r/modernwarfare2

Call of Duty Modern Warfare 2 June free access is now live!

Call of Duty: Modern Warfare II review: an uneven sequel

PS3 security crack brings Modern Warfare 2 hacking back into action - Neoseeker

How To Get Bot Lobbies in MW2 - N4G