FACEBOOK has begun revealing if your data was stolen amid the Cambridge Analytica breach but you needn't wait for it to notify you.
If you're worried that your info may have been swiped, you can instantly check by heading to the dedicated page on .
How do you check if your Facebook data was stolen?
Facebook said most of the affected users are in the US, though there are over a million each in the Philippines, Indonesia and the UK.
There are around 40million Facebook users in Britain, so that means you have a roughly 1 in 40 chance of having had your data hoovered up without your knowledge as part of the Cambridge Analytica breach.
Facebook's Chief Technology Officer Mike Schroepfer revealed shared the number while discussing the steps the company was taking to restrict the personal data available to third-party app developers.
All 2.2 billion Facebook users will receive a notice on their feeds titled "Protecting Your Information".
It will have a link to information on which Facebook apps they use and what information they have shared with those apps.
Facebook users will have the option to shut off apps individually or turn off third-party access to their apps completely.
Reeling from its worst privacy crisis in history allegations that this Trump-affiliated data mining firm may have used ill-gotten user data to try to influence elections Facebook is in full damage-control mode.
Mark Zuckerberg acknowledged that he made a "huge mistake" in failing to take a broad enough view of what Facebook's responsibility is in the world.
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He later said Facebook came up with the 87 million figure by calculating the maximum number of friends that users could have had while Kogan's app was collecting data.
The company doesn't have logs going back that far, he said, so it can't know exactly how many people may have been affected.
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