Anonymous Says It Knocked Citigroup Sites Offline

[InfoSec News <alerts () infosecnews org>]

http://bits.blogs.nytimes.com/2012/02/03/anonymous-says-it-knocked-citigroup-sites-offline/

By NICOLE PERLROTH
Bits The New York Times
February 3, 2012

Hackers claiming to be members of the loose hacking collective Anonymous 
took credit for knocking the Citigroup and Citibank Web sites offline on 
Friday. At times the sites were only sporadically available, and some 
attempts to log into banking accounts were met with an error message.

Andrew Brent, a Citigroup spokesman, confirmed that Citigroup’s consumer 
site had experienced a temporary outage but said that Citigroup had been 
able to restore Web site operations within one hour and was continuing 
to monitor its systems.

“At no point were there data integrity issues or compromise of client 
account information,” Mr. Brent said in an interview. “We apologize for 
any inconvenience.”

This was part of a string of attacks this week by hackers who call 
themselves Anonymous Brasil. In posts on Twitter, the hackers said their 
attacks were intended to fight corruption. By Friday, they had at 
various times taken down the Web sites of Banco BMG, Banco Bradesco, 
Banco de Brasil, Banco Panamericano, Citigroup, HSBC Holdings, Itau 
Unibanco Banco Multiplo and Febraban, Brazil’s banking federation.

[...]

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