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. See [SAML].
NIST SP 800-63-2 under Security Assertion Mark-up Language (SAML) [Superseded]
A protocol consisting of XML-based request and response message formats for exchanging security information, expressed in the form of assertions about subjects, between on-line business partners.
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.
NIST SP 800-95 under Security Assertions Markup Language (SAML)
(Glossary for the OASIS Security Assertion Markup Language (SAML) V2.0)