More than 533 million Facebook users from 106 countries had their data posted on a hacking forum, Business Insider reports. Personal data uploaded to the site included phone numbers, Facebook identification credentials, full names, locations, birthdates and some email addresses. A Facebook spokesperson indicated the data was tied to a vulnerability the company fixed in 2019. The U.K. and U.S. were two of the countries affected most by the breach with 32 million and 11 million users exposed, respectively.