Account info, passwords, emails, private messages, and user votes were exposed.
Quora, one of the largest question-and-answer portals on the Internet, said today that hackers gained access to its servers and stole information on approximately 100 million of its users, which represents almost half of the site’s total userbase.
The company disclosed the breach today but said it discovered the hack last week, on Friday. Quora is still investigating the incident but said it already determined that hackers accessed the following types of user information:
“The overwhelming majority of the content accessed was already public on Quora, but the compromise of account and other private information is serious,” said Adam D’Angelo, Quora CEO.
