The text provides a comprehensive guide on setting up Single Sign-On (SSO) for Zendesk using Descope as an identity provider, enhancing user authentication by simplifying and securing login processes for both customers and support agents. Utilizing the SAML protocol, the guide details the configuration steps required to integrate Zendesk with Descope, including creating a new application in the Descope Console and setting up a SAML SSO configuration in Zendesk. Additionally, it explains how to implement adaptive Multi-Factor Authentication (MFA) based on user roles, such as enforcing extra security measures for agents handling sensitive data like billing information. The guide emphasizes the benefits of SSO in improving user experience while strengthening security, and highlights the flexibility of Descope in customizing authentication flows to accommodate various organizational needs. Overall, it underscores the importance of SSO in streamlining authentication for Zendesk users and suggests that Descope can be a valuable tool for enhancing security and user management.