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 ...

It's just not safe.

Step-by-step guide to setting up two-factor authentication on Google, Apple, Microsoft, and social platforms for stronger account security.

First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're ...

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 ...

Two-factor authentication is a security process that requires users to provide two distinct authentication factors to access an account. By introducing a second layer ...

Two-factor authentication (2FA) is a must-have for online security, adding an extra layer of protection to your accounts ...

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) ...

Apple is always adding new features to its software, but every now and then a change arrives that it’s hard to live without. One such killer feature lets you autofill two-factor authentication codes, ...