Mark Zuckerberg’s own phone number leaked in the massive Facebook hack

Facebook was hacked in August 2019, when attackers grabbed personal data for 533 million accounts, including emails and phone numbers. Earlier this year, the hack made the news as unknown individuals were selling access to the database online. For a fee, you could pair a Facebook user ID with a phone number or vice-versa, assuming the targeted person’s data was included in the hack. The data breach then resurfaced a few days ago when people discovered that the database was posted on a forum. Facebook had a somewhat insensitive reaction to the new development, saying that the security vulnerability that allowed the hack had been fixed. The company neglected the fact that some of those emails and phone numbers did not change, and the breach might still impact some people. There is a way to check whether your data was included in the hack, which should help you take additional measures.

In an incredibly ironic twist, security researchers have found that Facebook CEO Mark Zuckerberg is one of the people whose data was leaked. Not only that, but the database included his phone number. As if that’s not enough, researchers found that Zuckerberg happens to be a Signal user, the end-to-end encrypted chat app that WhatsApp users have been flocking to in recent months, following that other massive Facebook controversy.