How Single Sign-On (SSO) Works: Architecture, Roles, and Flow Explained

Single Sign-On (SSO) is an authentication mechanism that lets users log in once to access multiple trusted applications, and this article breaks down its core components—Identity Provider, Service Providers, and business systems—along with a step‑by‑step flow illustrated with diagrams.

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Architect

Sep 7, 2015 · Information Security

Introducing dex: CoreOS Open Source OpenID Connect Identity Provider

CoreOS’s newly announced open‑source project dex is an OpenID Connect‑compliant identity provider that offers secure, standards‑based authentication across web, mobile, CLI and automation environments, with extensible connectors, robust security practices, and a real‑world deployment example at Tectonic.com.

AuthenticationDEXidentity provider

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Introducing dex: CoreOS Open Source OpenID Connect Identity Provider