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Amazon u2f7/12/2023 ![]() ![]() To assign one key to multiple account, you just plug in keys while the same QR code is showing, and use the Yubico Authenticator to snap the QR code to assign. With this way (YubiKey + Yubico Authenticator), you can even set up one key to one account, one key to multiple accounts, multiple keys to one account, and multiple keys to multiple accounts. This means it only shows the related accounts to the key and no more. All the accounts (seeds) are planted into the key itself. You simply download an app called Yubico Authenticator. Although it is an U2F device, it actually can be used as a Virtual MFA Device (sorry that you can only pick one method as AWS allows you to use one way). One thing I want to point out here is the YubiKey. With the advent of FIDO2, the alliance retained the U2F standard but relabeled it as Client to Authenticator Protocol (CTAP1). One key per account which is not so convenient if you need to manage multiple accounts. Current WebAuthn and CTAP support status see here for updates. The device has a display to show the code that you can authenticate yourself. Other Hardware: This is where Gemalto tokens come into play. ![]() ![]() It also supports multiple accounts per key. Yubico has many different keys (called YubiKey) that you can plug in and tap to register or authenticate yourself. Currently there is only one company called Yubico that supports here. U2F Security Key: U2F is an open authentication standard hosted by the FIDO Alliance and it is a more advanced security protocol.You can also manage multiple accounts within one app. Virtual MFA Device: This is those authenticator apps that you can find and install from an app store on your device.Currently, there are three ways that allow you to setup root accounts in AWS.
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