information domain

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Definitions:

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.
Sources:
CNSSI 4009-2015

Glossary Comments

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See NISTIR 7298 Rev. 3 for additional details.