You can access all of Zoho’s Apps using a Single Sign-On(SSO), which means that you can use any service from Zoho using the same email address and password.
You can enhance the security of your account by enabling Two Factor Authentication(TFA). It is a n extra layer of security in which a user is identified using a combination of different methods. If TFA is enabled in a Zoho account, the user will be identified by:
To enable Two Factor Authentication(TFA) for your account:
and GST filing.