Economy

Quora reveals data breach affecting up to 100 million users

Quora reveals data breach affecting up to 100 million users”

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.

Quora's post said it will log out all affected users, and push a password reset.

The social platform's CEO Adam D'Angelo said in a statement that a "leading digital forensics and security firm" was continuing its investigation into the hack. They have not yet provided more information as to what imported data may have been compromised.

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".

Marriott disclosed on November 30 a massive data breach for about 500 million guests who booked reservations at its Starwood properties. Some unauthorised third-party gained access to the company's systems. The company insists that only a low percentage of Quora users have sent or received such messages. The number of people involved potentially affected by the breach of the reservation database made it one of the largest ever cyberattacks on a company.

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.

The account data involved included user IDs, email addresses, and (it's good to report, for once - El Reg) fully encrypted passwords.

If you want to simply delete your Quora account, visit your account privacy settings and choose "Delete Account".

The company is now in the process of logging out and invalidating users who may have been affected. "We have already taken steps to ensure the situation is contained, and we are working to prevent this type of event from happening in the future". Law enforcement has been notified, it added.



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