Make sure to steer clear of EA’s humongous ban hammer, as they’ve been swinging it freely across every platform for Battlefield 3. Hackers, cheaters, and glitchers are spared not from the righteous axe of quality control. EA has taken on a “zero tolerance policy” for their hunt.
Thus far, the team has sniffed out “hundreds” of game abusers who have managed to rack up tens of thousands of points in a single round. If you’ve ever gotten the invisibility glitch, you’re probably safe. Presumably because they cannot see you.
DICE is working on patching the holes of the game and fixing all the known glitches that have been discovered thus far. In the mean time, play fair. Otherwise you’ll land a dishonorable discharge.