A patch sent out targeting users that Microsoft suspected of modifying consoles has started punishing the unsuspecting user that has done nothing in the way of any sort of console modification. This is the what happened to Alex Rubens of Sidequesting.com as he shares the story of this happening to him and his absurd tale of dealing with Xbox Support.
The post has been updated and will continue to be.
According to users with modified consoles, they aren't affected at all and it is only happening to legitimate users. Videos have been posted of the process and includes comments from Stephen Toulouse, Xbox Live Director of Policy and Enforcement.