First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're ...

The codes provided by authenticator apps sync across your accounts, so you can scan a QR code on a phone and get your six-digit access code on your browser, if supported.

Eventually, you’ll see a pop-up window displaying a QR code. You will need to scan the QR code in your authenticator app to connect it to your Twitter account.

On the set-up-two-factor-authentication page, Slack tells you to show the authenticator app a QR code. This is how it communicates the secret key to your phone.

Google Replacing SMS With QR Codes for Gmail Authentication Instead of receiving an SMS, a QR code will be sent to your phone to verify your Gmail account.

How to set up 2FA with an app on your smartphone First things first — you’ll need a phone and an app to set up 2FA. There are plenty of options available, but some of the more well-known options ...

Can the QR code replace user names and passwords? Verizon Enterprise thinks so -- at least for some companies looking at two-factor authentication.

HomeKit HomeKit in iOS 11: Sprinklers & faucets, QR code & NFC setup, improved latency, software authentication & more Jordan Kahn | Jun 7 2017 - 10:32 am PT 0 Comments ...

SMS codes have long been less secure than other forms of authentication. With QR codes, Google aims to reduce users' dependency on carriers for account verification.