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Timeline: LulzSec hackers' publicized attacks since May

Here is a timeline of some attacks claimed by hacking group LulzSec since early May.
/ Source: Reuters

The LulzSec group of rogue hackers are threatening to steal classified information from governments, banks and other high-ranking establishments, in what would be an escalation of their cyber attacks. [Read more about LulzSec's growing ambition, and the recent arrest of a 19-year-old UK man who may be connected.]

Here is a timeline of some attacks claimed by hacking group LulzSec since early May.

The group knocks websites offline by overwhelming them with Internet traffic in what are known as denial of service attacks. LulzSec also uses a variety of hacking attacks to break into computer networks and steal data.

May 7 — Fox's "X Factor" contestant database breached

May 10 —  Fox.com sales database hacked and made public

May 15 —  LulzSec leaks details of hundreds of ATMs in Britain.

May 23 —  Hacks Sonymusic.co.jp database.

May 30 —  Defaces website of the Public Broadcasting System television network, posts fake article claiming deceased rapper Tupac is alive and living in New Zealand. LulzSec also leaks various databases from the PBS.org website.

June 2 —  Leaks a number of databases the group said it stole from internal Sony websites and networks.

June 3 —  Hacks into Federal Bureau of Investigation affiliate Infragard Atlanta and posts user database on LulzSec website, along with emails belonging to one of the group's members.

June 6 —  Publishes Sony BMG internal network maps and source code from the Sony Computer Entertainment Developer Network.

June 10 —  LulzSec makes public 26,000 usernames and passwords for adult websites.

June 13 —  Releases internal data from a U.S. Senate website after hacking its server. Also hacks the Web server of maker of online game Brink. LulzSec releases internal data and claims to have details of 200,000 Brink players.

June 16 —  LulzSec claims responsibility for bringing down the public website of the Central Intelligence Agency. On the same day, the group releases 62,000 random email addresses and passwords without saying where they came from.

June 19 —  Launches Operation Anti— Security — —  the main aim is to steal and make public any sensitive government information including emails. Says banks should also be targeted.

June 20 —  Attacks website of British police Serious Organized Crime Unit, temporarily making it inaccessible via the Web.

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