March 05, 2019 Facebook criticised for misuse of phone numbers provided for security Facebook admits it's using numbers supplied for 2FA for more than security, and you can't turn it off. Naked Security
August 11, 2015 Change this Facebook setting so you can’t be searched for by phone number A developer says he's found a way to harvest users' personal data from Facebook. Facebook is shrugging, given that it's all public anyway. You might want to check your privacy settings though ... Naked Security
