In September, a group of hackers used a flaw in Facebook's "view as" feature to gain unauthorized access to millions of accounts — and today, the company released its most comprehensive statement yet on exactly what data was taken as part of the breach.
https://www.theverge.com/2018/10/12/17968302/facebook-hacker-personal-details-29-million-accounts?link_id=3&can_id=db59a5db6f44a916520cf384fc1698c6&source=email-facebook-enough-3&email_referrer=email_434957&email_subject=facebook-enough (https://www.theverge.com/2018/10/12/17968302/facebook-hacker-personal-details-29-million-accounts?link_id=3&can_id=db59a5db6f44a916520cf384fc1698c6&source=email-facebook-enough-3&email_referrer=email_434957&email_subject=facebook-enough)
EDIT: This is one of the MANY reasons why I NEVER use Facebook, Twitter, Google logins for other accounts! Not only do these companies steal your information they will get hacked and others will steal it too!