The Jester outs LulzSec’s leader, Oneiroi takes site down as hackers turn against “rogue” organization.

Powered by Guardian.co.ukThis article titled “LulzSec site taken down by lone-wolf hacker” was written by Josh Halliday, for guardian.co.uk on Friday 24th June 2011 09.13 UTC

The website of the notorious hacking collective LulzSec was temporarily crippled on Friday morning after an apparent retribution attack by an ex-military hacker.

The lone-wolf operator, known as the Jester, claimedappeared to claim to have downed the LulzSec website “for the lulz” and expose its shadowy leader in a Twitter message on Friday. The main LulzSec website was down for a short time on Friday morning but resurfaced shortly after.

Update: The Jester says he “did not engage” the LulzSec website, pointing to another lone-wolf hacker, Oneiroi. See earlier update at foot of post.

The Jester, notorious in the online hacking community, has waged a long-running battle with senior members of Anonymous and its splinter group LulzSec.

Significantly, the Jester also posted what appears to be an attempt to out the founder and leader of LulzSec, a long-term hacker known as Sabu. The investigation pieces together a trail of information gathered from public and private social networks and concludes the following:

Name(s): Xavier Kaotico, Xavier de Leon

Email: [redacted by the Guardian]

Age: 30 as of 2011-06-21

Location: Possibly New York City, NY (has lived there)

Websites: sabu.net, pure-elite.org, confinement.org

Profession: Independent IT consultant

Interests: Python programming, Linux, network security, exploit development

Attempts to name-and-shame each other has become a feature of the online hacking community.

The Jester is one of the most closely-guarded activists, with numerous attempts to reveal his real-life identity by Anonymous members apparently falling short. Most have a number of online sobriquets which change hands almost as often as they change targets.

Overnight, LulzSec claimed to have hacked into the website and database of the Arizona Department of Public Safety and released a tranche of allegedly confidential information.

The group also denied claims it was behind an attack on servers used by the Sun:

Update: Another lone-wolf hacker, Oneiroi, is claiming credit for crippling LulzSec’s website. Writing on his blog, Oneiroi says: “I’m afraid I’m unable to post a mission statement at this time. I’d like to let the public know that phase one of OPERATION SUPERNOVA has been successful. Lulzsecurity.com is Tango down at this time. The attack will stop by Midnight PST. Also, Cloudflare is not my target. Please don’t argue that lulzsec is up. Cloudflare creates a backup of the website. It’s doing its job. I want to make it bloody clear that Cloudflare isn’t my target.”

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