Facebook could have your phone number and email address—even if you never handed them over to the social network. Everyone knows that Facebook collects vast amounts of data. But what many people might ...

Facebook almost certainly has your phone number and email address, even if you never handed them over. That's because any friend who shared their address book with Facebook also shared your details.

There are tons of reasons why a Facebook user would want to completely change their primary email address associated with their social media account. Some might have a new email address, thus retiring ...

Phone numbers on Facebook are not as private as many think, according to Naked Security, a Sophos site. A hole in Facebook's security allows people to type a phone number into the search box to ...