SI-4 System Monitoring
Monitors for behaviour indicating compromise arriving through the supply chain, such as unexpected outbound activity from delivered components.
3
artefacts
2
held by a system
0
at each review
easy
to go live
SIEM / log platform
where the evidence lives
teal = a system already holds it · olive = produced at each review
system holds itEvidence a system already holds
- Monitoring coverage of delivered and supplier-operated components · SIEM / log platform
- Alert records and triage · SIEM / log platform
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
- Detection use cases for supply chain compromise · Policy repository / GRC workspace
First move
Automate the pull from your SIEM / log platform. Retention and alert rules exported from the SIEM; review evidence is the closed-alert record with reviewer and time.
Common gaps auditors find
- delivered appliances excluded from monitoring
- outbound connections from vendor equipment unexamined
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-3 Malicious Code Protection · SI-5 Security Alerts, Advisories, and Directives