https://www.reuters.com/article/us-facebook-cyber/facebook-trims-data-breach-to-29-million-users-as-fbi-probes-idUSKCN1MM297

Cyber attackers stole data from 29 million Facebook accounts using an automated program that moved from one friend to the next, Facebook Inc said on Friday, as the social media company said its largest-ever data theft hit fewer than the 50 million profiles it initially reported.