Microsoft says Xbox 360 owners affected by denial-of-service attacks should contact their Internet provider, although they're threatening the malicious standard of banning any and all hackers. This is a new front in the war against talented players.Beating someone over Xbox Live usually results in nothing more than a string of expletives, but some users are reporting that they're now getting kicked off the network by sore losers using a denial-of-service attack, which bombards your Internet connection with bogus data until it drops out.
Source: Ars Technica