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control enhancementSI-4(4)
Inbound and Outbound Communications Traffic (SI-4(4))
Determine criteria for unusual or unauthorized activities or conditions for inbound and outbound communications traffic; Monitor inbound and outbound communications traffic [organization-defined] for [organization-defined].
Security Baselines
MODERATEHIGHLOW
integritymalwareflaw-remediationmonitoringenhancement
Why These Connect
Maps To1
These are equivalent or closely aligned requirements in other frameworks.
Enhances1
These enhancements add specific capabilities or refinements to the base control.
Baselined In2
This control is included in the linked security baseline (LOW, MODERATE, or HIGH).
Cross-Framework Mappings(1)
ISO 27001ISO/IEC 27001:20221 mappingFinal
NIST OLIR informative reference — SP 800-53 Rev 5 to ISO/IEC 27001:2022
Organization-Defined Parameters(4)
Assignmentorganization-defined frequency
Assignmentorganization-defined unusual or unauthorized activities or conditions
Assignmentorganization-defined frequency
Assignmentorganization-defined unusual or unauthorized activities or conditions