03.16.03 External System Services
Require providers of external system services to comply with security requirements; define and document oversight and user roles; monitor compliance of external service providers.
3
artefacts
1
held by a system
0
at each review
moderate
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
- Vendor monitoring records · SIEM / log platform
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
- Vendor security requirements clauses · Vendor register / contract repository
- SOC 2 reports · Document repository
First move
Start with the 1 of 3 artefacts that already live in a system (SIEM / log platform); keep the periodic reviews but log each one as a dated record with a named reviewer.
Common gaps auditors find
- no annual review of vendor attestations
- no flow-down clauses
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 sheet03.16.02 Unsupported System Components · 03.17.01 Supply Chain Risk Management Plan