Anonymous (hacker group)

decentralized, internet-based protest movement which organizes cyber attacks and demonstrations for freedom and against various forms of grievance

mask depicting Guy Fawkes, now an icon of the group Anonymous

LulzSec (a contraction for Lulz Security) was a grey hat computer hacking group that claimed responsibility for several high profile attacks, including the compromise of user accounts from PlayStation Network in 2011. The group also claimed responsibility for taking the CIA website offline. Some security professionals have commented that LulzSec has drawn 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. One of the founders of LulzSec was computer sec

open source network stress testing and denial-of-service attack application

protest movement against Church of Scientology censorship on the Internet

Series of cyberattacks conducted by Anonymous

open source social networking service

RedHack is a Turkish Marxist-Leninist computer hacker group founded in 1997. The group has claimed responsibility for hacking the websites of institutions which include the Council of Higher Education, Turkish police forces, the Turkish Army, Türk Telekom, and the National Intelligence Organization others. The group's core membership is said to be twelve. RedHack is the first hacker group which has been accused of being a terrorist organization and circa 2015 is one of the world's most wanted hacker groups.

monument located in Sofia, the capital of Bulgaria

American computer hacker and co-founder of the hacking group LulzSec

Finnish-British activist charged extraterritorially with stealing data from United States Government computers

2012 documentary film directed by Brian Knappenberger

aspect of the decentralized virtual community