You can either scan a QR code using the camera on your smartphone or manually enter the code. When you see a QR code on the laptop screen, open the Google Authenticator app on your phone.

and then scan the resulting QR code with Google Authenticator on another device. We like that the app verified our identity before allowing the transfer. If you enable Google Authenticator’s ...

The easiest way to set up two-factor authentication for a website is to scan a QR code with the app. A site that supports 2FA via an authenticator app should generate the necessary code for this ...

A new report found that around a million two-factor authentication codes sent by text message appear to have been ...

For years, security experts have recommended using authentication apps to generate these codes. All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will ...

You really should be using two-factor authentication for all your important accounts. An extra layer of added security, with a six-digit passcode that’s regenerated every 30 seconds, is ...

The chosen replacement for SMS authentication—QR codes—should increase account security for all Google users. Hackers may struggle to convince grandma that she should scan a random QR code ...

Update: Apple has now removed most scam authenticator apps from the App Store – see end of piece. Twitter’s latest bonehead move has led to a flurry of scam authenticator apps, with at least ...

An update to Authenticator for Android and iOS now stores backups of codes in your Google account. You won't have to reauthorize all your linked apps (or scan a QR code) just because you got a new ...

If you want to transfer your Google Authenticator codes to a new phone or tablet, navigate to Transfer accounts > Export accounts, choose which accounts you want to transfer, and scan the ...