EvidenceSheet

A.8.15 Logging

Produce, store, protect and analyse logs of activities, exceptions and faults.

12
artefacts
8
held by a system
2
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

  • System configuration files showing enabled logging · SIEM / log platform
  • Approved log source inventory · SIEM / log platform
  • Access control list for log repository · Identity provider / directory
  • Integrity verification mechanism logs · SIEM / log platform
  • Incident investigation case files referencing logs · SIEM / log platform
  • Log retention schedule · SIEM / log platform
  • Evidence of log archival (archive manifest) · SIEM / log platform
  • Deletion logs confirming secure disposal · SIEM / log platform

periodic reviewEvidence produced at each review

  • Periodic log review reports · SIEM / log platform
  • Automated alert configuration screenshots · SIEM / log platform

governing documentDocuments that govern the control

  • Documented log collection policy · Policy repository / GRC workspace
  • Secure log storage architecture diagram · 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

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 sheet

A.8.14 Redundancy of information processing facilities · A.8.16 Monitoring activities