Quora: 100 million users hit by security breach

Ivan Schwartz
December 4, 2018

Popular question and answer forum Quora is the latest to own up to a mass hack that saw account information for around 100 million users being compromised.

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".

Questions and answers written anonymously were not affected, as Quora explained that they don't store identities of people who post anonymous content. "While the passwords were encrypted (hashed with a salt that varies for each user), it is generally a best practice not to reuse the same password across multiple services, and we recommend that people change their passwords if they are doing so", said Adam D'Angelo, CEO, Quora on its blog.

That's because to access a Quora page, you have to log in - either by creating an new account or by linking your Google or Facebook account.

Quora said they discovered the hack on Friday, November 30, but didn't say when the actual breach happened.

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Presumably, Quora power users are included in this breach, and there have certainly been a few celebrities who've used the platform over the years, like the 44th president of the United States.

"We have retained a leading digital forensics and security firm to assist us", Mr D'Angelo said. Users affected by the breach should receive an email with information. Quora users for now can reset their passwords to stay safe. The email is an exact copy of the post on the Quora website. And, if you used the same password for any other services, I'd be changing those too. Users of the content blocker uBlock Origin may use it to access Quora content without account.

Or you could completely delete your account by going to your profile picture settings privacy delete account. Quora also notified law enforcement.

A measure, Quora said it has taken to prevent further damage to all its users.

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