Now Playing: 03-07-12 Marketplace Tech Report

LulzSec, an offshoot of the group known as Anonymous, claimed responsibility for several high-level attacks on computer networks and always incorporated a mix of pranksterism with its hacks. The group has claimed credit for attacks on Sony, the U.S. Senate and CIA and PBS, among others. A series of busts that happened yesterday morning were allegedly a result of information provided by the head of LulzSec. But can a hacking group really have a leader?