Interconnection Security Agreement
nounid
2967·updated May 9, 2026verified
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.
polysemousMWE
Attested in
NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems
03.12.05.a03.12.05.c ¶ 1
Classifications
Entity Type
Requirement92%llm-generatedllm:claude-haiku-4-5
Sensitivity
Regulated88%llm-generatedllm:claude-haiku-4-5
Information Class
Cui75%llm-generatedllm:claude-haiku-4-5
Variants
- acronym
- ISA
- plural
- Interconnection Security Agreements
- possessive
- Interconnection Security Agreement's
- pluralpossessive
- Interconnection Security Agreements'
Framework definitions
- §1
- An agreement established between the organizations that own and operate connected IT systems to document the technical requirements of the interconnection. The ISA also supports a Memorandum of Understanding or Agreement (MOU/A) between the organizations.
- §2 · sense_2_pending_review
- 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.
- §1
- 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.
- §1
- An agreement established between the organizations that own and operate connected IT systems to document the technical requirements of the interconnection. The ISA also supports a Memorandum of Understanding or Agreement (MOU/A) between the organizations.
- §1 · attested_usage_pack_match
- No definition is given in NIST SP 800-171r3. The term is attested in use at 2 citations in that document; a definition is pending curation.Increment 2: attested in 800-171r3 without a glossary definition.
- §1 · legacy_primary
- 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.DR-088 backfill from the noun definition column
Outgoing relationships
No outgoing triples
This term is not the subject of any RDF-style relationship yet.
Incoming relationships
No incoming triples
No other term currently asserts a relationship to this one.