The US Federal Bureau of Investigation is collaborating in the
investigation of a "sophisticated attack" by hackers on Facebook last
month, which, according to the social network, has not compromised
The daily San Francisco Chronicle said Saturday that the
FBI is working with Facebook to determine the origin of last month's
hacker attack that hit the computers of some workers at the California
According to the newspaper, the social network said that
"malware was installed on laptops used by Facebook employees when they
visited a mobile developer's web site".
"As soon as we discovered
the presence of the malware, we remediated all infected machines,
informed law enforcement, and began a significant investigation that
continues to this day," Facebook said Friday on its blog.
working continuously and closely with our own internal engineering
teams, with security teams at other companies, and with law enforcement
authorities to learn everything we can about the attack, and how to
prevent similar incidents in the future," Facebook said.
attack on Facebook came soon after Twitter said early this month that
data of 250,000 users had been obtained by hackers, and that this
operation "was not the work of amateurs, and we do not believe it was an