You are here: Home » News-IANS » Business-Economy
Business Standard

Quora CEO apologises after security breach affects 100 mn users

IANS  |  San Francisco 

has apologised after hackers stole personal information of over 100 million of its users including their names, addresses and encrypted passwords.

discovered the breach on November 30. It found that the breach happened as a result of unauthorised access to one of our systems by a "malicious third party".

"It is our responsibility to make sure things like this don't happen, and we failed to meet that responsibility," D'Angelo wrote in a blog post on Monday night.

was founded by D'Angelo, a former at Facebook, in 2009. The Mountain View, California-headquartered company has over 300 million monthly unique visitors.

The company is in the process of sending emails to users whose data have been compromised and logging out all Quora users who may have been affected.

"We believe we've identified the root cause and taken steps to address the issue, although our investigation is ongoing and we'll continue to make improvements," D'Angelo said.

"In addition to the work being conducted by our internal teams, we have retained a leading digital forensics and firm to assist us. We have also notified law enforcement officials," he added.

The company said that questions and answers that were written anonymously were not affected by this breach as the platform does not store the identities of people who post anonymous content.

"We are working rapidly to investigate the situation further and take the appropriate steps to prevent such incidents in the future," the Quora added.

"We're very sorry for any concern or inconvenience this may cause," he said.

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

The site's data breach is the latest in a series of high-profile hacks. last week said that its guest reservation system was hacked, potentially exposing data on 500 million guests.

The information in the breach, the biggest since the hack in 2013 affecting three billion customer accounts, included names, addresses, phone numbers, addresses, passport numbers and travel details.

"Hackers are deliberately targeting companies and websites which hold massive amounts of customer data - as we've seen with the recent major attacks against airlines and hotel chains," a of said in a statement.

"In the Quora breach, there was, luckily, no financial information associated with the exposed user data, and the stolen passwords were scrambled, but users should consider changing their passwords on other accounts if they have used the same as for their Quora account," the added.

"For further protecting your data, you can also delete your Quora account, if you want. If you have created the account using or Facebook, you can generate the account password," added Prabesh Choudhary, at Cryptus Cyber Security Pvt. Ltd.

Between last week's Marriot hack of 500 million accounts and Quora's 100 million accounts, at least 16 per cent of the total Internet users' data has been compromised, pointed out Saket Modi, Co-Founder and of Lucideus, an enterprise cybersecurity platforms company.



(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Tue, December 04 2018. 18:48 IST