Learn why phone numbers are critical to online security, how they’re exposed, and practical steps to reduce misuse, scams, and account takeover risks.

Add Yahoo as a preferred source to see more of our stories on Google. This article explains how to update your Instagram phone number. Additional information covers how to change your phone number for ...

Twitter’s two-factor authentication system has received a long-requested boost in security, as the feature will no longer require the phone number of users. Twitter rolled out its two-factor ...

Facebook has faced a lot of criticisms over data protection lately, but it is taking a step in the right direction by enhancing important security features. On Wednesday, May 23, Facebook announced it ...

Two years ago, I got a new phone number. In the eyes of my social media and ride-hailing apps, Amazon, my bank, and the state of Pennsylvania, that effectively meant I lost my identity. Only recently ...

Telesign is one of those companies that you've probably never heard of but that provides services you likely use on a regular basis, especially if you have two-factor authentication set up for any of ...

You can now secure your Facebook account with two-factor authentication without handing over your phone number. The social network now works alongside apps like Google Authenticator, Duo Security, and ...