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3.13.16

Data At Rest

Protect the confidentiality of CUI at rest.

ImplementedTechnical: PASS
Validation method
Weekly canonical hardening run
Review cadence
Quarterly
Last validated
9/15/2026

Assessment objectives [NIST SP 800-171A]

Each [a]–[z] objective is scored independently; one NOT MET fails the requirement. Expand any objective to see the evidence behind it — every item carries a SHA-256 and the time it was collected. Substantiation is reported separately and never changes the finding.

0 of 1 objective substantiated1 unproven
  • a

    the confidentiality of CUI at rest is protected.

    METUnsubstantiated
    • Not yet evidenced — 2 validator check(s) never observed: az.storage.encryption.cmk_enforced, azure.disk.encryption
    • Not yet evidenced — 2 validator check(s) never observed: os.bitlocker.all_volumes_protected, os.bitlocker.system_drive_protected
    • Not yet evidenced — 1 of 1 bundle artifact(s) not present in any collected run
    • Not yet evidenced — no finalized control_monitoring entries on file
    • Not yet evidenced — 1 of 1 governance document(s) not on file: MAC-POL-225

Evidence chain

Requirement → objective → evidence → asset → owner → validation → framework, as rows. 1 of 1 objectives scored, 0 evidence citations · snapshot 9/19/2026 (rows).

Owner
Unassigned
Validation
Weekly canonical hardening run · Quarterly · last 9/15/2026
Finding
MET
Also supports
A.8.24
  1. 3.13.16[a]MET (inherited)responsibility: provider (inherited_from_control, template)

    the confidentiality of CUI at rest is protected.

Governance Narrative

Northwind implements 3.13.16 on the NEIS boundary. Evidence is collected by the weekly hardening run and the governance registers; see the linked evidence and the SSP.

Technical Narrative

Configured on NWD-FS01, NWD-ERP01 and the CAD workstation OU; validated weekly.

Governance Artifacts (0)

No governance artifacts uploaded.

Evidence Metadata (2)

Run IDFile PathSHA-256SourceExpires
run-2026-09-14T02-00-00Z-northwind
vault://northwind/run-2026-09-14T02-00-00Z-northwind/3.13.16/forensic-packet.jsonb9aa3893b4d543b9enclavewatch-canonical-run12/14/2026
run-2026-08-17T02-00-00Z-northwind
vault://northwind/run-2026-08-17T02-00-00Z-northwind/3.13.16/forensic-packet.json90c61ccd0b9d7820enclavewatch-canonical-run8/25/2026 (expired)

Change History

  • implementation_status

    in_progressimplemented

    assessor.demo@northwind-defense.example

    8/25/2026, 11:57:39 PM

  • implementation_status

    implementedin_progress

    assessor.demo@northwind-defense.example

    8/18/2026, 11:57:39 PM