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Here's How To Check If Your Facebook Data Was Shared With Cambridge Analytica

As many as 87 million people had their Facebook data inappropriately accessed. Here's how to check if you're one of them.

Posted on April 10, 2018, at 9:57 a.m. ET

Last week, Facebook said that 87 million of its users may have had their data inappropriately accessed by Cambridge Analytica, the British political data firm that worked on President Trump's 2016 election campaign.

Mladen Antonov / AFP / Getty Images

The data leak came after a Cambridge University researcher developed a personality-quiz app on Facebook's platform that downloaded people's data, which was then passed on to the political analytics firm.

Justin Sullivan / Getty Images

You may be wondering how to see if your data was shared with Cambridge Analytica. Well, on Tuesday, Facebook users whose data was compromised should have received a notification when they opened their accounts.

FYI, it seems that after you view it once the notification doesn't show up again.

But here's a key point: You didn't need to take the Cambridge personality quiz for your data to get shared — all it took was for one of your Facebook friends to have done so. As such the 270,000 people who took the quiz gave the app access to tens of millions of their friends' data.

If you didn't receive a notification, then you can still check to see if your data was shared with Cambridge Analytica by going to the Help Center.

If your data wasn't compromised, you'll see a message saying that you're safe.

There's even an option to "share this article" with your friends.

That way you can help them figure out whether or not their personal data has been compromised.


Mark Zuckerberg's Senate hearing about the data breach will take place on Tuesday at 2:30 p.m. ET. You can watch all that action here.

Alex Wong / Getty Images

A BuzzFeed News investigation, in partnership with the International Consortium of Investigative Journalists, based on thousands of documents the government didn't want you to see.