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, ...

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 ...

A new report found that around a million two-factor authentication codes sent by text message appear to have been intercepted. A tech industry whistleblower revealed that the 2FA security codes passed ...

With hackers looking for any way they can to gain access to your personal information via every form of phishing scheme, it's critical to take every precaution to protect your data. Multi-factor (MFA) ...

In “Two-Factor Authentication, Two-Step Verification, and 1Password” (10 July 2023), I explained that for true two-factor authentication, you needed to acquire your time-based one-time password (TOTP) ...