User blog comment:Damac1214/Sales of Black Ops II are a "Cause of Concern" for Activision/@comment-71.94.6.83-20121206021429/@comment-10363123-20121206160049

Unless if you are playing World at War, hacks are EXTREMELY rare. Even if somebody does manage to cheat, they will  most likely be shot down in an hour by Treyarch/Infinity Ward.