SI-4(18) Analyze Traffic and Covert Exfiltration

Control enhancement of SI-4 System Monitoring

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.

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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.