03.13.04 Information in Shared System Resources
Prevent unauthorized and unintended information transfer via shared system resources.
3
artefacts
1
held by a system
1
at each review
moderate
to go live
Cloud console / configuration management
where the evidence lives
teal = a system already holds it · olive = produced at each review
system holds itEvidence a system already holds
- Memory clearing config · Cloud console / configuration management
periodic reviewEvidence produced at each review
- VM isolation evidence · Document repository
governing documentDocuments that govern the control
- Multi-tenant isolation design · Document repository
First move
Start with the 1 of 3 artefacts that already live in a system (Cloud console / configuration management); keep the periodic reviews but log each one as a dated record with a named reviewer.
Common gaps auditors find
- object reuse not prevented in custom apps
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 sheet03.13.01 Boundary Protection · 03.13.06 Network Communications - Deny by Default - Allow by Exception