NIST800-AC-4(4) AC-4(4) Information Flow Enforcement | Flow Control of Encrypted Information
NIST800-AC-4(4) in NIST SP 800-53 Rev 5 (NIST SP 800-53 Rev 5, Release 5.2.0). All NIST SP 800-53 Rev 5 controls held. Open NIST SP 800-53 Rev 5 on the standards site.
The control as we hold it
AC-4(4) Information Flow Enforcement | Flow Control of Encrypted Information. Prevent encrypted information from bypassing [Assignment: organization-defined information flow control mechanisms] by [Selection (one or more): decrypting the information; blocking the flow of the encrypted information; terminating communications sessions attempting to pass encrypted information; [Assignment: organization-defined procedure or method]].
Reviewed and closest counterparts in the other frameworks
We hold no cross-framework row for NIST800-AC-4(4) yet. The reviewed pairs page lists the released pairs and their coverage.
What an auditor commonly asks for
General guidance for this control area (domain: AC - Access Control), in our words, not a statement of the standard and not binding on an assessor.
- the access-control policy and procedures
- the account-management and privilege records
- the periodic access-review output