Déjà Vu: White Hat Developer Saves Facebook Again

Fortunately for Facebook, developer and Web security expert Nir Goldshlager wears a white hat, and not a black one: For the second time in less than one month, Goldshlager alerted the social network about a potentially dangerous loophole that could have led to users’ account information being compromised.

Fortunately for Facebook, developer and Web security expert Nir Goldshlager wears a white hat, and not a black one: For the second time in less than one month, Goldshlager alerted the social network about a potentially dangerous loophole that could have led to users’ account information being compromised.

We reported last month that Goldshlager detailed in a blog post how he experimented with adding different coding and characters to Facebook URLs and was able to create an application that disguised itself as another app that does not require users to accept it, Facebook Messenger, and gain access to users’ Facebook data.

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