We need a newly created AWS account to complete all the steps in this recipe. Our IAM dashboard should look as follows. Even if you do not have a new account, you can still follow this recipe and verify whether everything has been configured correctly:
You need to install an authenticator app on your mobile if you are planning to set up multi-factor authentication (MFA) using a virtual MFA device. Google Authenticator is one popular option. You can also use a YubiKey U2F security key, any U2F-compliant device, or a hardware MFA device.
Universal 2nd Factor (U2F) is an authentication standard for securely accessing online services with only a security key without any drivers or client software.