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Legacy format signatures must be enabled.

An XCCDF Rule

Description

Office applications use the XML–based XMLDSIG format to attach digital signatures to documents, including Office 97-2003 binary documents. XMLDSIG signatures are not recognized by Office 2003 applications or previous versions. If an Office user opens an Excel, PowerPoint, or Word binary document with an XMLDSIG signature attached, the signature will be lost.

Property Value
Responsibility System Administrator

ID
SV-33473r1_rule
Version
DTOO203 - Office System
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Set he policy value for User Configuration -> Administrative Templates -> Microsoft Office 2010 -> Signing “Legacy format signatures” to “Enabled”.