Multi-factor authentication (MFA) is an essential part of the security of ANY AWS account.
This lesson steps through how to install and configure MFA on the Account Root User of the GENERAL AWS account
iOS Google Authenticator : https://apps.apple.com/au/app/google-authenticator/id388497605
Android Google Authenticator : https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&hl=en_CA
1Password : https://1password.com
Authy : https://authy.com/