Single Sign-On (SSO) Architecture

Single sign-on (SSO) is a federated authentication architecture that allows a user to authenticate once to a central identity provider (IdP) and then access multiple connected applications (service providers) without re-entering credentials.

ConceptsIATIdentityIntermediateCONFIDENTIAL2,189 words9 min readApr 7, 2026

Last updated Apr 11, 2026v2

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Table of Contents

Single Sign-On (SSO) Architecture

What you need

Also at this clearance level

APT28 (Fancy Bear / Forest Blizzard)

Lazarus Group (HIDDEN COBRA / Diamond Sleet)

Salt Typhoon

FIDO2 and WebAuthn: Passwordless Authentication

The Academy

The Command Post

The Armory