Multi-factor authentication is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence to an authentication mechanism: knowledge, possession, and inherence.
This feature/option is not to be applied to specific users, once the feature is enabled, it will be applied to everyone.
Path: Management > User Settings > Security.
1. From the Login page, enter your property ID, username, and password as usual.
2. A new box will prompt asking how do you want to check your identity: email, text, or call.
3. Click on your choice.
4. Enter the verification code that you have received, and click Verify.
5. Check the box if you wish to be remembered for the day.