Rights managed Office Open XML files must be protected.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-70861	DTOO187	SV-85485r1_rule	ECSC-1	Medium

Description
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. This configuration could allow potentially sensitive information such as the document author and hyperlink references to be exposed to unauthorized individuals.

STIG	Date
Microsoft Office System 2016 STIG	2016-12-21

Details

Check Text ( None )
None

Fix Text (F-45649r1_fix)
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".