EvidenceSheet

DE.AE-03 Information is correlated from multiple sources

Information is correlated from multiple sources. Control from NIST Cybersecurity Framework 2.0 framework, domain: DE - Detect.

5
artefacts
2
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

  • Log source inventory with coverage matrix against asset register · SIEM / log platform
  • Sample correlated alert with multi-source citation trail · SIEM / log platform

periodic reviewEvidence produced at each review

none for this control

governing documentDocuments that govern the control

  • Data normalization schema for SIEM ingest pipelines · Policy repository / GRC workspace
  • Cross-source correlation queries (network, endpoint, identity, cloud) · Policy repository / GRC workspace
  • SOAR playbooks that enrich events with threat intelligence · Document repository

First move

Start with the 2 of 5 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

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.

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DE.AE-02 Potentially adverse events are analyzed to better understand associated activities · DE.AE-04 The estimated impact and scope of adverse events are understood