It’s time to check up on your Facebook settings again but this time, it’s more about security than privacy: The company announced Friday the discovery of a security vulnerability that may have affected nearly 50 million accounts. Attackers were able to steal the digital keys—also known as access tokens—that keep people logged in because of an issue with Facebook’s “view as” feature. This tool, now disabled, let people see what their profile page looks like to others.

Source: Wall Street Journal September 28, 2018 20:15 UTC