SI-4(4) Inbound and Outbound Communications Traffic
Determine criteria for unusual or unauthorized activity; monitor inbound/outbound communications.
1
artefacts
1
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
- Egress monitoring · SIEM / log platform
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
none for this control
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
- No egress monitoring
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(2) Automated Tools and Mechanisms for Real-Time Analysis · SI-4(5) System-Generated Alerts