NIST 800-171 R-3.10.4
Maintain Physical Access Logs
Official citation: 3.10.4
Class: core · Severity: medium
Statement of the obligation — verify against source
3.10.4
What it means
Maintain audit logs of physical access — for example visitor logs and badge-system records — so you can review who entered controlled areas and when.
Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.