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PHILADELPHIA (CBS) — A bad year just got worse for Facebook. Facebook could be facing a multi-billion dollar fine over multiple failures to protect user privacy.

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The Irish Data Protection Commission oversees Facebook’s compliance A bad with European law and is now looking into reports of multiple data breaches.

It hasn’t been a good year for the social media giant.

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Facebook Reveals Bug Exposed 6.8 Million Users’ Photos

News of the inquiry came just as Facebook announced that it had exposed photos of nearly seven million users.

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In September, hackers also accessed the personal information of tens of millions of users.