10.2.1.4 Log invalid logical access attempts
Audit logs capture all invalid logical access attempts.
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
- Authentication log samples with failed attempts · Identity provider / directory
- Threshold-based alerts and tuning evidence · SIEM / log platform
- Sample investigation tickets · SIEM / log platform
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
- SIEM use cases on brute force or credential stuffing · Policy repository / GRC workspace
- Coverage across all auth systems · 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
- Failures logged but not alerted
- Cloud IAM excluded
- Thresholds too high
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 sheet10.2.1.3 Log access to audit logs · 10.2.1.5 Log changes to identification and authentication