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Disable Trust Bar Notification for unsigned application add-ins - Word


Overview

Finding ID Version Rule ID IA Controls Severity
V-17187 DTOO131 - Word SV-18223r1_rule ECSC-1 Medium
Description
By default, if an application is configured to require that all add-ins be signed by a trusted publisher, any unsigned add-ins the application loads will be disabled and the application will display the Trust Bar at the top of the active window. The Trust Bar contains a message that informs users about the unsigned add-in.
STIG Date
Microsoft Word 2007 2015-10-02

Details

Check Text ( C-17916r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Word 2007 -> Word Options -> Security -> Trust Center “Disable Trust Bar Notification for unsigned application add-ins” will be set to “Enabled”.

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\12.0\Word\Security

Criteria: If the value NoTBPromptUnsignedAddin is REG_DWORD = 1, this is not a finding.
Fix Text (F-17083r1_fix)
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Word 2007 -> Word Options -> Security -> Trust Center “Disable Trust Bar Notification for unsigned application add-ins” will be set to “Enabled”.