There's no perfect solution, but different authentication methods can work better in some circumstances than others.

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) ...

Going offline and off of Google's servers ...

It’s been a long time coming since the first details were leaked back in August, 2024, but the new Google Authenticator app has now arrived for users to download. With 100 million plus users already, ...

Multifactor authentication can improve account and IT system security, protecting data against hackers. Learn how MFA works ...

Since inception, the biggest weakness of the Google Authenticator app and service was its inability to move from device to device. The security inherent within the app required that the one device be ...

One of the most effective ways to stop your online accounts from being hacked is to turn on two-factor authentication. The security measure, often known as 2FA or multifactor authentication, requires ...

Your Google Authenticator one-time codes are no longer trapped if you lose the device that stores them. An update to Authenticator for Android and iOS now stores backups of codes in your Google ...

There’s a new authenticator app to take away market share from the corporate authenticators offered by Google and Microsoft. Two things can be true about true-factor authentication (2FA). One, the ...

I use two-factor authentication every day. Any app or service that offers additional security, you can bet I’m enabling it. Not only does 2FA help secure your accounts, but it’s also very easy to use.

Google Authenticator, the app that provides one-time codes to securely log in to your accounts, is probably the only app on my phone that I use absolutely every day. It's a must-have if you want to ...

Not all two-factor authentication systems, a.k.a. 2FA, are created equal and some, like SMS, are deemed insecure but still better than no 2FA at all. In lieu of ubiquitous biometrics, the easiest 2FA ...