Single Sign‑On (SSO)

A federation pattern enabling users to authenticate once and obtain access to multiple relying parties through an identity provider.

#auth#identity#federation

Last updated: 2025-09-07T00:00:00.000Z

Evidence

NIST NIST SP 800‑63C (Federation) Normative evidence
pages.nist.gov

More context

SSO uses federation protocols to convey identity assertions across trust boundaries.