Quora discloses mega breach impacting 100 million users

Passwords from 100 million Quora users stolen in data breach

The data included: "Account information, e.g.name, email address, encrypted (hashed) password, data imported from linked networks when authorised by user".

It adds that the "overwhelming majority of the content accessed was already public on Quora, but the compromise of account and other private information is serious".

Quora pointed out that comments posted anonymously on the platform have not been affected by the latest security breach.

"It is our responsibility to make sure things like this don't happen, and we failed to meet that responsibility", Quora CEO Adam D'Angelo wrote in Monday's post.

"This is one of the most significant data breaches in history given the size - about 500 million people are affected - and the sensitivity of the personal information that was stolen", said CreditCards.com industry analyst Ted Rossman.

If you have created the account using Google or Facebook plug-ins, you need to first generate a password by clicking the "Change Password" link and then click on "create an account password".

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Quora said, in a statement emailed to members, that they are now investigating exactly how the breach occurred. Some unauthorised third-party gained access to the company's systems.

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

Quora said it's in the process of notifying all users who it believes were impacted by the hack.

Quora has posted an extensive FAQ explaining details of the data breach, but the FAQ doesn't mentioned how user passwords were hashed, i.e. run through a one-way encryption algorithm.

Or you could completely delete your account by going to your profile picture settings privacy delete account. Users who chose the same password to protect accounts on a different service should immediately reset those passwords as well. "We have also notified law enforcement officials".

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