SV-223285r1067544: Document metadata for rights managed Office Open XML files must be protected. | Microsoft Office 365 ProPlus STIG SCAP Benchmark

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Assessment Title

Rule Text

Document metadata for rights managed Office Open XML files must be protected.

Description

Discussion Text

This policy setting determines whether metadata is encrypted in Office Open XML files that are protected by Information Rights Management (IRM). If this policy setting is enabled, Excel, PowerPoint, and Word encrypt metadata stored in rights-managed Office Open XML files and override any configuration changes on users' computers. If this policy setting is enabled, Office 2016 applications cannot encrypt metadata in rights-managed Office Open XML files, which can reduce security. If this policy setting is not configured when Information Rights Management (IRM) is used to restrict access to an Office Open XML document, any metadata associated with the document is not encrypted.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-002476SV-108747V-99643

References

DPMS Target Microsoft Office 365 ProPlus DISA DPMS Target Microsoft Office 365 ProPlus 4099

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual ms_office_365_proplus target this check assesses.

# OVAL Definition: oval:mil.disa.stig.office365:def:223285
if (Test-Path "HKCU:\Software\Policies\Microsoft\Office\16.0\common\security\drmencryptproperty" -and (Get-ItemProperty -Path "HKCU:\Software\Policies\Microsoft\Office\16.0\common\security\drmencryptproperty").drmencryptproperty -eq 1) { Write-Output "PASS"; Exit 0 } else { Write-Output "FAIL"; Exit 1 }

Remediation

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Security Settings "Protect document metadata for rights managed Office Open XML Files" to "Enabled".