The leaders of the largest social networking world Facebook made a statement regarding the recent hacking of 50 million accounts. That said, the hack, "appears to be the worst hack in Facebook's 14-year history", according to Business Insider's Rob Price.
Initially, the social media giant estimated that 50 million accounts were affected by the hack, but said it was not clear whether any information had actually been stolen.
Facebook said the FBI is investigating, but asked the company not to discuss who may be behind the attack. To check if hackers had access to your data, you have to be logged in. Facebook's security update breaks down the 30 million effected users by how much data was accessed by hackers. But beyond learning what information the attackers accessed, there's relatively little that users can do - beyond, that is, watching out for suspicious emails or texts.
Nearly 30 million Facebook users' phone numbers and email addresses were accessed by hackers in the biggest security breach in the company's history, Facebook said Friday. It plans to send messages to people whose accounts were hacked.
Facebook begins to give more information about its security problem revealed in September.
"We will also work to contact people who may not be on Facebook any longer", he said.
The vulnerability the hackers exploited existed from July 2017 through late last month, when Facebook noticed an unusual increase in the use of its "view as" feature. The company said it will continue to investigate "other ways the people behind this attack used Facebook".
The attack did not affect Facebook-owned Messenger, Messenger Kids, Instagram, WhatsApp, Oculus, Workplace, third-party apps, payments, Pages, and advertising or developer accounts, the company said. They ensured that the criminals could gain access to stored passwords.
Security experts have said Facebook's initial breach disclosure arrived earlier than it likely would have prior to the enactment in May of the European Union's General Data Protection Regulation, which mandates notification within 72 hours of learning of a compromise.
Facebook said it took a precautionary step of resetting "access tokens" for another 40 million accounts which had accessed the "view as" function.
Following that, the hackers used a portion of these 400,000 people's lists of friends to steal access tokens for about 30 million people.
Facebook has said it will not provide identity fraud protection for the victims of its latest data breach. The message content wasn't exposed except if the compromised account belonged to a page admin.