In this video, I show you how to enable multi-factor authentication for Tableau online using Tableau with MFA.

Authy - https://authy.com/features/setup/
Tableau Notes: https://help.tableau.com/current/online/en-us/to_security_mfa.htm

Tableau Release Notes:
In order to get ahead of the rise and constantly evolving threats that can cripple an organization, MFA authentication will be a Tableau Online requirement beginning February 1, 2022. MFA is an effective tool for enhancing sign-in security and protecting your organization and its data against security threats.