A popup will appear reading “Get Account Verification Via.” Tap “Use Existing Device.”. When prompted, enter the phone number of your primary device. Now, on your second device, install Authy. Tap on “Settings” (the gear icon at top right). Open the Authy app on your primary device. Enabling Multi-DeviceĪccessing Authy 2FA from a second device takes just a few moments to set up. Just follow the steps below to sync a new device and remember to deauthorize the old one before getting rid of it. The Multi-device feature can also be used to easily migrate tokens from one “trusted” device to another, like when replacing an old smartphone with a new one, without having to individually reconfigure 2FA everywhere it’s used. With Multi-device, users can synchronize 2FA tokens between devices - like a second phone, a tablet, a laptop, or even a desktop - and effectively create a “backup” Authy device. Multi-device, a key feature of the Authy app, can help prevent lock-out situations by allowing users access to their 2FA tokens on more than one device. 
Unfortunately, that could also mean YOU could be blocked if you accidentally lose, damage, or upgrade your phone and haven’t taken the necessary precautions to secure access to your 2FA. It secures your digital world by requiring real-world access to your phone or device on top of having your login information. Two-factor authentication, like the kind provided with Authy’s free 2FA app, is designed to prevent anyone from accessing your online accounts even if a username and password have been compromised. The pairing of an email and a password is simply not secure in today’s world.
Massive - and increasingly routine - data breaches have essentially rendered login credentials public knowledge.
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