AC-4(23) Modify Non-releasable Information

Control enhancement of AC-4 Information Flow Enforcement

Control

When transferring information between different security domains, modify non-releasable information by implementing [Assignment: modification action].

Discussion

Modifying non-releasable information can help prevent a data spill or attack when information is transferred across security domains. Modification actions include masking, permutation, alteration, removal, or redaction.

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Control catalog and framework text on this page is reproduced from official NIST publications — a public-domain work of the U.S. Government (17 U.S.C. §105). Maverc commentary, groupings, and readiness guidance are our own and are not part of any NIST publication.