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SI-04(18) Analyze Traffic and Covert Exfiltration

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged SI part of SI-4

Title

Analyze Traffic and Covert Exfiltration

Control

Analyze outbound communications traffic at external interfaces to the system and at the following interior points to detect covert exfiltration of information: [Assignment: interior points].

Discussion

Organization-defined interior points include subnetworks and subsystems. Covert means that can be used to exfiltrate information include steganography.

Parameters

si-04.18_odp: interior points

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).