Hackers breach Quora.com and steal password data for 100 million users

Andrew Cummings
December 4, 2018

Quora said it has retained leading digital forensics and security teams to help assist them and notified law enforcement officials.

The hackers were unable to access questions and answers that were written anonymously, because Quora doesn't store the identities of people who post anonymous content. In June 2016, hacking group OurMine broke into Google CEO Sundar Pichai's Quora account.

D'Angelo said the company is notifying users who may have been affected by the breach and invalidating their account password as a precaution.

The affected data includes account details such as names, email addresses and encrypted passwords, as well as any data imported from linked networks when authorised by the user.


Moreover, Quora has also hinted at the possibility of the leak of public content like questions, comments, answers, as well as non-public content like downvotes, direct messages, and answer requests.

All Quora users have been logged out and affected users will be forced to change their passwords when they next log in.

Marriott hotels also revealed on Friday that the FBI was investigating a data breach of its systems which exposed the details of up to 500 million guests.

Marriott disclosed on November 30 a massive data breach for about 500 million guests who booked reservations at its Starwood properties. It was also said that the root problem has been identified, and that the company has "taken steps to address the issue".


Users were asked to reset their password and will be prompted to do so when they next try to log in.

If you want to simply delete your Quora account, visit your account privacy settings and choose "Delete Account". The email is an exact copy of the post on the Quora website.

The tech site also said it already took steps to "contain the incident" and prevent future unauthorized access to its servers. Anyone who had reused a password elsewhere is advised to create a new password for that account too.


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