Common questions.
What is Single Sign-On (SSO)?
An authentication method that allows users to log in once and gain access to multiple related applications without re-authenticating.
How is Single Sign-On (SSO) used in production?
Enterprise SSO typically uses SAML or OIDC to federate identity across services.
Which terms are related to Single Sign-On (SSO)?
Closely related concepts include Workload Identity, SPIFFE (Secure Production Identity Framework for Everyone), Claims-Based Identity, Machine-to-Machine (M2M) Authentication. Each is defined in the Prefactor glossary.