New FaceBook security issue that affected nearly 50 million accounts

It’s not been a great year for FaceBook.

 

This morning, the company announced that on Tuesday it’s engineering team discovered that hackers had exploited a vulnerability in its code, allowing them to steal Facebook access tokens for almost 50 million accounts.

 

Apparently, hackers took advantage of security flaws in its “View As” code, the feature which lets people see what their profile looks like to someone else. The Facebook access tokens that were stolen are digital keys that allow people to stay logged in to Facebook.

 

From the Sauce:

 

“This attack exploited the complex interaction of multiple issues in our code. It stemmed from a change we made to our video uploading feature in July 2017, which impacted “View As.”

 

At this time, Facebook does not know who executed the attacks.

 

But, the good news? According to Facebook, the vulnerability has been patched at this time, authorities have been informed, and FaceBook has reset the access tokens of the accounts that were affected along with another 40 million accounts that have been subject to a “View As” lookup in the last year.

 

If you have been logged out of your app, you may have been affected and will receive a message about what happened once they log back in.

 

No one needs to change their passwords, but those who are worried about the attack can visit the “Security and Login” section in settings to log out of all devices at once.

 

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