Multi-factor authentication requires users to input a verification code at each login. The verification code will be sent to your phone, making it difficult for anyone not authorized to access your account.
1. Go to user settings, by hovering over the account name in the top right corner.
2. If you haven't added a phone number to your account, you will now be asked to do so.
3. Enter your phone number. It's important that you can receive text messages.
4. Next, enable SMS verification.
5. Check that the phone number is correct and then send your verification code.
6. Enter the verification code and verify your phone number.
Next time you log in you will be required to verify your phone number
Under Account Settings, you can see which users have enabled MFA in your account.