![]() You only have to scan the QR code once on a device. That code is valid as the second form of identification for just a few seconds before the authentication app refreshes it. Once you do, the authentication app gets to work by issuing an ever-changing unique code. Without fail, one of the easiest ways to begin using 2FA is by using your smartphone's camera and scanning a QR code provided by the company or website. ![]() Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best.
0 Comments
Leave a Reply. |