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, ...

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 ...

This security feature might not be so secure after all. Apple and Android users have been urged to stop receiving two-factor authentication codes via text after government officials revealed a massive ...

You lock your doors—why not your accounts? Two-Factor authentication is your last line of online defense. Using a mobile authenticator app isn't hard to set up. Yeah, it takes extra seconds to get ...

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 ...

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 ...

In “LastPass Publishes More Details about Its Data Breaches” (3 March 2023), I talked about how I decided to move my two-factor authentication (2FA) codes from Authy to 1Password and how the process ...