If you've added your phone number to Facebook for 2FA security, it can be used to search for you

Facebook has been encouraging users to enable two-factor authentication to boost the security of their accounts, but it turns out that there's a slightly sinister side to this feature. You may well have opted to maintain an element of privacy by omitting personal information such as your address and phone number from your profile. But if you've used your mobile number to secure your account with 2FA, even if it is not visible to others, it can still be used to search for you -- and there is no way to opt out of this. See also: How to enable… [Continue Reading]