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 ...

Multi-factor (MFA) authentication can boost account security, but you should be on the lookout for malicious prompts that give bad actors the codes they need to log in easily.

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 ...

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 ...

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 ...