I never find any modders/hackers when i play online.
Ive seen a lot of 'em in MW2 on PS3 but never really seen anybody in
WaW on Xbox.
Your best bet is to just be lucky that you don't end up in a game with
IF you do, please report them.
When i played MW2 on PS3 there used to be a few asshats
that flew around the map with godmode and no-clip.