The QR code cannot be scanned by the photo app on your phone. Businesses can download an app called the Smart Health Card Verifier App that can be used to scan the unique QR codes and verify ...

With iOS 11, you can turn toggle the scan QR code feature on or off for the default camera app. iOS 12 brings another option with a Control Center shortcut.

This means if a site offers 2FA, you can set up verification codes for it without downloading a third-party app. Verification codes are backed up via iCloud, and once set up, the codes will ...

The Google Authenticator app eliminates the possibility of an SMS-based attack using algorithms to generate the codes on your phone. Here's how to set it up: 1.