Since then, the group seems to have been largely rounded up by law enforcement in a series of arrests in the U.S. and U.K.

Kretsinger allegedly covered his tracks by using the Hidemyass.com proxy service and wiping his computer hard drive after the attack. He faces 15 years in prison if convicted.

Separately, the FBI also announced the arrest of two alleged members of the , a group that claimed credit for a 30-minute long 2010 distributed denial of service attack against Santa Cruz County, California. Like LulzSec, Peoples Liberation has affiliated itself with the Anonymous hacking movement.

Christopher Doyon and Joshua Covelli are both facing hacking charges in the case. Covelli had previously been charged in connection with an Anonymous-sponsored December 2010 attack on Paypal.com.

The IDG News Service