The Battlefield Blog has word that DICE is turning up the heat on Battlefield 3 cheaters. They say they have handed out a bunch of bans, and are implementing new methods for reporting cheating: :

We have always taken cheating seriously. Starting today, we will further intensify our efforts to hunt down and rid Battlefield 3 of cheaters. Stats wiping and banning this disruptive minority is the only way they will understand that they are ruining the game for others. We do this for the millions of dedicated players out there who deserve a fair game, every game.

If you believe you have been the victim of outright cheating, the best way to report your concerns is to go to Battlelog, enter the profile page of the person you suspect and click the triangle in the top right corner of his name.

This will open up a window where you can describe to us at DICE what happened. Please enter as much detail as possible, describing what specifically makes you believe this player has used unfair methods, and preferably include a link to the Battle Report for the match in question.

These reports are then received by our analysts here at DICE who will do a deeper analysis of the situation and take appropriate action, including stats wiping and/or banning players who are confirmed as cheating.

Reducing the number of cheaters is an ongoing endeavor, and one that we will never stop. Thanks for your co-operation, and see you on the battlefield!