Cybersecurity

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High Consensus

Information Domain

Primary definition

A three-part concept for information sharing, independent of, and across information systems and security domains that 1) identifies information sharing participants as individual members, 2) contains shared information objects, and 3) provides a security policy that identifies the roles and privileges of the members and the protections required for the information objects.

Also known asinfo domain · ID · information sharing domain · ISD · shared information space · SIS
2 sources cited4 related termsReviewed Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source

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CNSSGC

High consensus

A three-part concept for information sharing, independent of, and across information systems and security domains that 1) identifies information sharing participants as individual members, 2) contains shared information objects, and 3) provides a security policy that identifies the roles and privileges of the members and the protections required for the information objects.

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Information Domain. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/information-domain

Sources

2 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

High consensus

View source

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