Facebook is subjected to severe hacker attacks.
Social network Facebook announced that it had suffered a series of hacker attacks.
Company officials say hackers broke through the system previously unknown loophole.
The company assures that the confidentiality of users' personal information is not compromised.
In early February, the victim of a hacker attack was the other major social service world - microblogging Twitter.
By burglary were stolen data on 250,000 accounts.
Then it was claimed that many of major U.S. newspapers, including the "New York Times", is also a victim of the attacks.
Suspicion fell on the hackers from China.
Chinese officials deny the accusations.