Anonymous is an international group of hacktivists.
Anonymous is a loosely associated international network of activist and hacktivist entities . Beginning with 2008 's Project Chanology -- a series of protests , pranks , and hacks targeting the Church of Scientology -- the Anonymous collective became increasingly associated with collaborative hacktivism on a number of issues internationally . Later targets of Anonymous hacktivism included government agencies of the U.S. , Israel , Tunisia , Uganda , and others ; the Islamic State of Iraq and the Levant ; child pornography sites ; copyright protection agencies ; the Westboro Baptist Church ; and corporations such as PayPal , MasterCard , Visa , and Sony .