EvidenceSheet

RS.AN-06 Actions performed during an investigation are recorded, and the records' integrity and provenance are preserved

Actions performed during an investigation are recorded, and the records' integrity and provenance are preserved.

5
artefacts
3
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

  • Investigation action log per incident · SIEM / log platform
  • Tooling audit trail (queries run, evidence pulled) · SIEM / log platform
  • Decision log for investigative pivots · SIEM / log platform

periodic reviewEvidence produced at each review

  • Chain of custody records for evidence · Document repository
  • QA review on action log completeness · SIEM / log platform

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

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

RS.AN-03 Analysis is performed to establish what has taken place during an incident and the root cause of the incident · RS.AN-07 Incident data and metadata are collected, and their integrity and provenance are preserved