I have long encouraged the use of two-factor authentication (2FA) or two-step verification (2SV) with online accounts whenever possible (for more about the difference, see “Two-Factor Authentication, ...

In a digital world where dangers online change daily, having only a robust password is not enough. That's where two-factor authentication (2FA) plays a role, an effective method that provides a second ...

Two-factor authentication can be compromised. First, a reminder that two-factor and multi-factor authentication are not ...

We've probably all received confirmation codes sent via text message when trying to sign into an account. Those codes are supposed to serve as two-factor authentication to confirm our identity and ...

Two-factor authentication (2FA) is a method that allows users to gain access to their accounts and devices by presenting two separate and distinct forms of identification. A common form of second ...

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 ...

If you haven’t seen your data exposed in a major data breach within the last five years alone, you haven’t been paying attention. Billions of people worldwide have lost their data many times over. 26 ...

Android 15 blocks untrusted apps from reading sensitive notifications, even if they have permission to read all notifications. Before Android 15, apps with notification access were able to read all ...