EvidenceSheet

10.2.2 Audit log content

Audit logs record at least user identification, type of event, date and time, success or failure indication, origination of event, and identity or name of affected data, system component, resource, or service.

5
artefacts
3
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

  • Sample logs containing all six required fields · SIEM / log platform
  • Log schema documentation per source · SIEM / log platform
  • Gap remediation tickets · Ticketing / ITSM

periodic reviewEvidence produced at each review

none for this control

governing documentDocuments that govern the control

  • SIEM normalization mapping · Policy repository / GRC workspace
  • Coverage matrix verifying field completeness · 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

10.2.1.7 Log creation and deletion of system level objects · 10.3.1 Read access to logs restricted