What is SAML and How SAML Authentication Works

Security Assertion Markup Language (SAML) is an XML-based open standard that facilitates secure and federated Single Sign-On (SSO) across various applications and domains, enabling users to authenticate once via an Identity Provider (IdP) and access multiple services without repeatedly entering credentials. Governed by OASIS, SAML supports complex federation topologies and multiple authentication methods, offering strong security through signed and optionally encrypted assertions, enhancing interoperability, and meeting regulatory compliance standards. It is the preferred protocol for enterprise SSO, government portals, and cloud SaaS ecosystems, reducing IT overhead and improving user experience by minimizing password fatigue and providing a consistent login experience. While SAML remains a cornerstone for enterprise identity federation, especially for workforce SSO and B2B SaaS integrations, it is often complemented with OAuth 2.0/OIDC for mobile or consumer scenarios due to its verbose XML structure and browser-centric bindings. SSOJet offers turnkey SAML solutions for SaaS providers seeking rapid enterprise readiness.

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