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".
The nation honors George H.W. Bush The Supreme Court is delaying arguments by a day while a national day of mourning is held for former President George H.W. Jim McGrath , spokesman for the Bush family, tweeted out a photo on Sunday night, captioning it "mission complete".
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".
Russia said the Ukrainian ships had breached the Russian border and conducted risky movements in spite of Russia's orders. Now more than ever, it's time to send "a clear message" to Putin, Panetta said Saturday.
- President Donald Trump is calling for a "full and complete" sentence for his longtime lawyer Michael Cohen . Trump cheered on former campaign adviser Roger Stone for resisting to work with the special counsel's team.
Bush was a class act - a person of tremendous strength and moral character who exemplified the values of public service". Barbara first met George Snr when she was 17 years old and they married in January 1945, when she was 19.
It is not known where or when it will be opening its first United Kingdom cashierless store. "It tends to build a lot of habit". Cashierless technology uses cameras and machine learning to automatically track customers as they remove items from shelves.
I love my husband, and we have a great marriage, and we've had a great marriage, but marriage is hard work". "I tell woman that whole 'you can have it all.' nope, not at the same time-that's a lie", she said.
His latest mini-mogul move: "a line of collectibles and more, now selling at Walmart", the Forbes said in the announcement. Since launching his main channel in 2015, Ryan has amassed more than 17 million followers and close to 26 billion views.
In the other 2018 College Football Playoff semifinal, Notre Dame and Clemson , both undefeated, clash in the Cotton Bowl at 4 p.m. In that season, the Fighting Irish made it all the way to the National Championship but got crushed by Alabama 42-14.
Luckily, the passerby, a retired veteran, had a good sense of humor about the situation once he realized it wasn't real. Although "Clark" is clearly a dummy, people walking by were concerned enough to call for help.
Urban Meyer will retire from Ohio Sate after bowl game
CBSSports.com reports Meyer's teams went 85-9 in his seven seasons as Ohio State coach, including a 55-4 Big Ten record. At 54, Meyer is relatively young for a football coach, but health issues reportedly played a role in his decision.
Pistons beat Warriors to win fifth straight, Raptors roll on
Pistons: The Pistons have won two straight against Golden State after losing 12 of their previous 13 games against the Warriors. Rookie forward Kevin Knox had a career-high 26 points, and Damyean Dotson and Tim Hardaway Jr. added 21 points each.
Khashoggi's private WhatsApp messages may offer new clues
Saudi Arabia has been under acute pressure to come clean on the murder of Mr Khashoggi in its Turkish consulate in October. It will also develop stronger ties in trade, investment, energy and in the cultural and educational sectors.
Michelle Obama reunited with London schoolgirls she met in 2009
Until then, no matter where Meghan has her baby, we'll be over here waiting for the next Obama and royal baby photo opportunity. She told her rapt audience of 300 secondary school girls that her feelings of self-doubt had remained with her since childhood.
Funeral And Memorial Services Announced for George H.W. Bush
I loved to hear him surprise people with his wild side - explaining the pure joy he felt as he flew and jumped out of planes. Social media users thanked Sully for his services and commented on his and dogs' loyalty generally towards their owners.
‘Friends’ to Remain on Netflix - For Now
Anyway, you have until January 1st to rewatch any Friends episodes on Netflix before the show makes its PIVOT to points unknown. To this day, Netflix is the sole platform in which Friends can be streamed (although it remains widely syndicated on real TV).
Urban Meyer Might Help Florida Beat Michigan
Karan Higdon rushed for more than 1,000 yards and Shea Patterson has thrown for 21 touchdowns against six interceptions. Michigan , Michigan State, Western Michigan and Eastern Michigan are all playing in postseason bowl games.