Multi-factor authentication can be enabled for a user in the Preferences section of the Profile page.

You can select any method that has been enabled in the Account page by an Administrator.

One-Time Password (Authenticator)

To use the One-Time Password (Authenticator) method, install an Authenticator app, then scan the QR code or enter the Authenticator secret into the app.  Enter the latest generated one-time password in the "Enter token to verify" field to verify correct setup.

Security Question

Enter the security question and answer in the appropriate fields to use the Security Question method.

Security Code via Email

Enter an email address for the security code email.  Check your spam mailbox if you do not receive a code when attempting to login to MCM.

Security Code via SMS

Enter a phone number to receive a security code via SMS.

SMS may not be supported by mobile carriers in China.