SI-4(18) System Monitoring | Analyze Traffic and Covert Exfiltration. Analyze outbound communications traffic at external interfaces to the system and at the following interior points to detect covert exfiltration of information: [Assignment: organization-defined interior points
System Monitoring | Analyze Traffic and Covert Exfiltration. Analyze outbound communications traffic at external interfaces to the system and at the following interior points to detect covert exfiltration of information:.
1
artefacts
0
held by a system
0
at each review
hard
to go live
Document repository
where the evidence lives
teal = a system already holds it · olive = produced at each review
system holds itEvidence a system already holds
none for this control
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
- DNS tunneling detection · Document repository
First move
This control is evidenced by people and documents, not systems. Put the document under version control with an owner and review date, and log each review as a record with reviewer and date. Do not try to automate it.
Common gaps auditors find
- No covert channel detection
Do this for your whole sheet
Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.
Build my evidence sheetSI-4(16) System Monitoring | Correlate Monitoring Information. Correlate information from monitoring tools and mechanisms employed throughout the system · SI-4(19) Risk for Individuals