Facebook announced on Friday that it has suffered a data breach affecting up to 50 million users. According to a report from the New York Times, Facebook discovered the attack on Tuesday and have contacted the FBI. The exploit reportedly enables attackers to take over control of accounts so, as a precaution, the social network has automatically logged out more than 90 million potentially compromised accounts.
"This is a really serious security issue and we're taking it really seriously," Facebook Mark Zuckerberg told reporters during a Friday media call.
Attackers exploited vulnerabilities in the code for Facebook's "View As" feature, enabling them to abscond with access tokens (think fancy, security-based cookies) which could then be used to hijack the target account.
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