I have seen the same with loki. Investigating about that in google i discovered that there was a cheating program that allows "players" (to do not say another word) change the way of get assault rewards as if the were support (it was anything as change a byte value at a certain file). Of course i reported it here, and send to IW support an email telling that with a youtube video where they explain how to use the program and a link to download it.
I have congratulated yesterday when look for the time to release patch in ps3 i saw in google the following link (DMCA (Copyright) Complaint to Google -- Chilling Effects Clearinghouse) with the banned urls of cheaters, illegal download, etc. Congratulations IW and Activision for do that, as a player i know that you answer our demands of help.