Administrators can enforce the use of a hardware key as the sole 2FA method and mandate even more robust restrictions by requiring the use of a PIN. Implementing user authentication with only a ...

If you have Twitter's SMS-based two-factor authentication (2FA) method turned on, but you haven't paid for Twitter Blue, you've probably been getting nagging messages from Twitter about it going away.

Two-factor authentication is a cornerstone of modern online security. Given how it works, you would think that it's foolproof and that it places an unbreakable lock on your accounts. It does, to some ...

Twitter announced plans to pull a popular method of two-factor authentication for non-paying customers last week. Not only could this make your account more vulnerable to attack, but it may even ...

One-time SMS codes are widely used as the second checkpoint in two-factor authentication (2FA) to sign into everything from banking apps to email accounts. As I've written before, though, SMS is one ...

Posts from this topic will be added to your daily email digest and your homepage feed. Twitter will turn off two-factor authentication for your account if you don’t switch away from SMS 2FA by March ...

Starting next month, Twitter says only paid Twitter Blue subscribers will be able to use text messages as a two-factor authentication method. Free users with the setting already enabled have until ...