Facebook was targeted by 'sophisticated' hackers

16 February 2013 Last updated at 00:38 ET Help

Facebook has revealed it was the target of a "sophisticated attack" by hackers last month, but found no evidence any user data had been compromised.

The US-based social network said that the attack occurred when employees visited a mobile developer website "that was compromised".

Facebook said in a blog post that it was not the only company to have been attacked in this way.

Alastair Leithead reports from Los Angeles.

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