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, ...

Bank security codes sent via text may not be enough. Learn why authenticator apps and passkeys offer stronger two-factor authentication protection.

Two-factor authentication adds a barrier between whoever's logging in and the account by requiring authentication in two ways, such as a computer and phone. This ...

Users will soon need to set up an alternative, like a passkey.

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 ...

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 ...

Microsoft is phasing out SMS 2FA for personal accounts as it pushes users toward passkeys and other passwordless sign-in ...

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) ...

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 ...