Facebook now says ‘millions’ of Instagram passwords were exposed internally

Facebook Inc. said Thursday that a security incident that exposed Instagram passwords internally was significantly worse than first thought.

After announcing in March that a security review had found that “tens of thousands” of Instagram users’ passwords had been wrongly stored in plain text, Pedro Canahuati, Facebook’s vice president of engineering, security and privacy, said Thursday that the issue is now estimated to have affected “millions” of Instagram users.

“We will be notifying these users as we did the others,” Canahuati wrote Thursday in a blog post. “Our investigation has determined that these stored passwords were not internally abused or improperly accessed.

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