Anonymous (group)

anonymous also has other meanings

Anonymous is a group of online activists opposed to internet censorship, government censorship, homophobia and Scientology. They are popularly associated with various online and offline protests commonly relating to freedom of speech. They often protest political corruption as well as engage in taking down and/or hacking various popular websites such as PayPal and the United States' Department of Justice homepage. Other common targets include organizations perceived to be limiting the freedom of speech. Anonymous is also often associated with imageboards such as 4chan and protests such as the Occupy Movement.