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Security Assertion Markup Language

nounverified· unreviewed·updated Oct 7, 2026

A framework for exchanging authentication and authorization information. Security typically involves checking the credentials presented by a party for authentication and authorization. SAML standardizes the representation of these credentials in an XML format called “assertions,” enhancing the interoperability between disparate applications.

polysemousMWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2

An XML-based security specification developed by the Organization for the Advancement of Structured Information Standards (OASIS) for exchanging authentication (and authorization) information between trusted entities over the Internet.

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 3 pending review

A protocol consisting of XML-based request and response message formats for exchanging security information, expressed in the form of assertions about subjects, between online business partners.

Classifications

Entity Type

Technical Specification100%manual reviewI-079.framework_split
Ddorianclast reviewed —
Framework is split by kind (Dorian, 2026-10-07; cki DESIGN.md I-079)

Sensitivity

—60%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —

Information Class

—65%llm-generatedllm:claude-haiku-4-5
?unassignedlast reviewed —

Variants

acronym
SAML
plural
Security Assertion Markup Languages
possessive
Security Assertion Markup Language's
pluralpossessive
Security Assertion Markup Languages'