DATE : APRIL 2019 NUMBER OF RECORDS COMPROMISED : 533M USERS

was revealed in 2021 that the personal information of millions of Facebook ( now Meta ) users from over 106 countries was leaked online . The data was reportedly obtained by exploiting Facebook ’ s contact importer feature , which was fixed by the company in 2019 after it first discovered the vulnerability was being exploited .

As a result of the breach , roughly 20 % of Facebook ’ s user base at the time was impacted . Exposed data included phone numbers , Facebook IDs , full names , locations , dates of birth and in some instances email addresses , employers , genders and relationship statuses . cybermagazine . com 39