Cloud Gate Two Factor Authentication
Cloud Gate SSO token authentication is a feature that adds additional authentication layer upon the regular ID/Password used to login Google Apps. One time password will be generated on pre-registered cellphone, which will be used to authenticate when login Google Apps.
The feature is to require one-time password generated on cellphone, so to prevent illegitimate login in case ID/Password was acquired by the third party.
Cloud Gate Two Factor Authentication is provided as an optiona feature of Cloud Gate SSO.