Quora hit by security breach, hackers steal up to 100 million users' data

About 100 million users of Quora were affected by unauthorized access to one of its systems by a "malicious third party," the knowledge-sharing website said on Monday.

Account information, including name, email address, encrypted password and data imported from linked networks when authorized by users may have been compromised, it said.

The company said it is logging out all Quora users who may have been affected to prevent further damage.

"We are in the process of notifying users whose data has been compromised," Quora CEO Adam D'Angelo said in a blog post.

The breach, discovered on Friday, did not affect question and answers that