Facebook asks for a user's phone number for a variety of reasons. A phone number can be used to reset a forgotten password; to suggest people you may know so that you can connect with them on Facebook ...

You may recently have gotten worried that Facebook has your phone number, even though you don't remember giving it to the social network. At the same time, you may have also realized the social ...

Since about September, Facebook has offered its advertisers a powerful new way to track its users as they surf the Web: It's called "phone number retargeting." (The move comes separately to Facebook's ...

Uploads from iPhones using the Facebook app will push all your contacts onto Facebook's servers - where they'll be matched against any and everyone. Worried at all? Update: Or how about a random ...

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 ...

Researchers have found that the phone number people provide to Facebook to set up two-factor authentication (2FA) and login alerts is being used by advertisers to target ads. As reported by Gizmodo, ...

Earlier today, we reported on how a security researcher managed to collect countless phone numbers and their corresponding Facebook names with very little effort before the company could stop him. All ...

If you access Facebook from a mobile device, your phone number may be listed in your friends' contacts list. It's easy to remove your phone number, if you know where to look. Matt Elliott Senior ...

Facebook thrives on data, prodding users to provide it with their memories, cherished moments and relationships. And for years, it has badgered users into handing out their phone numbers. More ...

If you have an old phone number linked to your Facebook account, delete it. Anyone who comes into possession of that number can log into your account sans password, and you won't get so much as a ...

We've moved from a phone culture to a text/email/Facebook poke culture, but it still occasionally happens that you get a missed call from a strange number. Googling doesn't always yield the identity ...

Users are complaining that the phone number Facebook hassled them to use to secure their account with two-factor authentication has also been associated with their user profile — which anyone can use ...