Facebook founder Mark Zuckerberg briefly found some of his social accounts hijacked.
Screenshots preserved by the technology website Engadget appeared to show someone using the little-used Twitter account to say Zuckerberg was "in the LinkedIn database" and inviting the social media mogul to get in touch. His Pinterest account also seemed to have been compromised.
Facebook Inc. released a statement Monday morning saying that none of the company's systems or accounts were accessed and that Zuckerberg's affected accounts have since been re-secured.
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Zuckerberg's Facebook account and password were not compromised, the company said; his account on Facebook-owned Instagram was also unaffected.
It's not yet clear how the hack happened, although a spate of massive data breaches at companies — including LinkedIn Corp. — has recently given hackers a wealth of password data to work with.
Several high profile Twitter users have also had their accounts hijacked in recent weeks.
Zuckerberg's name is synonymous with Facebook, but the billionaire has several accounts on rival social networks, including one registered with Google Inc. None appear very active.