More than a million email addresses and user IDs were compromised, after a hack at the Washington Post
The Secret Service is looking for the hackers who used a Fox News Twitter Account for the Obama death Tweet
Anonymous has played down the significance of the arrested suspects in Italy and Switzerland
WikiLeaks and DataCell are seeking revenge on Visa and Mastercard for blocking donations to the site
Hackers associated with AntiSec have sent false news on Fox News' Twitter account
Hackers from LulzSec and Anonymous are boasting that they have hacked a server belonging to Apple
The net tightens around hacktivists, as the FBI raids the home of another suspected Lulzsec member
The members of Lulzsec say they are continuing their activities as part of the wider Anonymous hacking group
Hactivist attack on Mastercard continues reprisals for blocking payments to WikiLeaks
Ryan Cleary remains in custody despite being diagnosed with Asperger's syndrome and agoraphobia
Hacktivist group Lulzsec has infiltrated the Arizona Department of Public Safety and published peronal details
The FBI has seized web servers during a data centre raid as part of its efforts to tackle Lulzsec hacktivists
A 19-year-old alleged Lulzsec member has been arrested by British police in joint-operation with the FBI
UPDATED: the Serious and Organised Crime Agency is back online after a hit by hacktivists Lulzsec's 'Operation Anti-Security'
High-profile hacktivists Lulzsec and Anonymous call for attacks on governments and banks
Anonymous has identified the US Federal Reserve as a potential target and urged its boss to stand down
The Anonymous group has carried out a DDoS attack in response to the arrest of three alleged hackers in Spain
Thirty-two people have been arrested in Turkey on suspicion of involvement with hacktivist group Anonymous
Spanish authorities claim capture of three members of the Anonymous denial-of-service hacker group
An estimated 25 percent of US hackers are coerced into becoming FBI puppets, says the publisher of 2600 magazine
Anonymous has breached the servers of the Iranian Foreign Ministry, in the lastest cyber warfare twist
Sony blamed Anonymous for the Playstation cyber attack - but the group says it was not involved
Sony has hired investigators and accused Anonymous of distracting it during the Playstation hack
The police have made an arrest of a person suspected of being involved in the pro-WikiLeaks DDoS attacks
The BBC admitted that most of its websites went offline in an incident described as a 'major network outage'
Stolen emails reveal that DuPont was another victim of the Operation Aurora attack carried out by Chinese hackers
An anti-gay US church has faked a letter threatening a DDoS attack, purporting to be Anonymous hacktivists
As WikiLeaks' Julian Assange faces possible extradition, his supporters attacked an FBI informer online
The activist group 'Anonymous' has attacked websites belonging to the Yemeni and Egyptian governments in support of protests
The whistle blowing website Wikileaks has been nominated for a Nobel Peace Prize by a Norwegian MP