High Quality Content by WIKIPEDIA articles! Lulz Security, commonly abbreviated as LulzSec, is a computer hacker group that claims responsibility for several high profile attacks, including the compromise of user accounts from Sony Pictures in 2011. The group also claimed responsibility for taking the CIA website offline. The group has been described as a "cyber terrorism group" by the Arizona Department of Public Safety after their systems were compromised and information leaked. Other security professionals have applauded LulzSec for drawing attention to insecure systems and the dangers of password reuse. It has gained attention due to its high profile targets and the sarcastic messages it has posted in the aftermath of its attacks.