# Sisense Single Sign-On
Single Sign-On (SSO) is a mechanism that allows a system to authenticate users and subsequently tell Sisense that the user has been authenticated. The user is then allowed to access Sisense without being prompted to enter separate login credentials.
TIP
For general information on Sisense SSO, click here (opens new window)
Sisense SSO supports three SSO protocols for securing the exchange of user authentication data, detailed below.