One scam app even captures your QR codes. You don’t have to look very hard for it: The developer took out an App Store ad, which means it is prominently shown when you search for authenticator apps.

All you have to do is scan a QR code for the service you want to turn 2FA on for, and the app will generate a new log-in code around every 30 seconds. This week, Google has given its 2FA app ...

When you see a QR code on the laptop screen, open the Google Authenticator app on your phone. Tap the plus sign in the bottom-right corner of the app and then Scan a QR code.Decide whether you ...

The alternative is an authenticator app, and one of the most popular of those comes from Google. ... (or similar apps like Authy) will have an option to scan the QR code when setting up 2FA.

When setting up an account that supports Google Authenticator, you can scan the QR code with LastPass Authenticator instead to store your tokens in the app. Naturally, you can also secure your ...

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 ...