Interconnection Security Agreement (ISA) - Glossary | CSRC

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interconnection security agreement (ISA)

Share to Facebook Share to X Share to LinkedIn Share ia Email Abbreviations / Acronyms / Synonyms:

ISA show sources hide sources CNSSI 4009-2015, NIST SP 800-100, NIST SP 800-122, NIST SP 800-47 Rev. 1, NIST SP 800-53A Rev. 5, NIST SP 800-77 Rev. 1

Definitions:

A document that regulates security-relevant aspects of an intended connection between an agency and an external system. It regulates the security interface between any two systems operating under two different distinct authorities. It includes a variety of descriptive, technical, procedural, and planning information. It is usually preceded by a formal MOA/MOU that defines high- level roles and responsibilities in management of a cross-domain connection. Sources: CNSSI 4009-2015 A document specifying information security requirements for system interconnections, including the security requirements expected for the impact level of the information being exchanged for all participating systems. Sources: NIST SP 800-47 Rev. 1 under interconnection security agreement

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