Meta Fined $263 Million Over 2018 Security Breach That Affected 3 Million EU Users

Meta has been fined around $263 million in the European Union for a Facebook security breach that affected millions of users which the company disclosed back in September 2018. From a report: The penalty, issued on Tuesday by Ireland's Data Protection Commission (DPC) -- enforcing the bloc's General Data Protection Regulation (GDPR) -- is far from being the largest GDPR fine Meta has been hit with since the regime came into force over five years ago but is notable for being a substantial sanction for a single security incident.

The breach it relates to dates back to July 2017 when Facebook, as the company was still known then, rolled out a video upload function that included a 'View as' feature which let the user see their own Facebook page as it would be seen by another user. A bug in the design allowed users making use of the feature to invoke the video uploader in conjunction with Facebook's 'Happy Birthday Composer' facility to generate a fully permissioned user token that gave them full access to the Facebook profile of that other user. They could then use the token to exploit the same combination of features on other accounts -- gaining unauthorized access to multiple users' profiles and data, per the DPC.

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