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V-223402

CAT II (Medium)

Files downloaded from the Internet must be opened in Protected view in Word.

Rule ID

SV-223402r961086_rule

STIG

Microsoft Office 365 ProPlus Security Technical Implementation Guide

Version

V3R5

CCIs

CCI-001662

Discussion

This policy setting allows you to determine if files downloaded from the Internet zone open in Protected View. If you enable this policy setting, files downloaded from the Internet zone do not open in Protected View. If you disable or do not configure this policy setting, files downloaded from the Internet zone open in Protected View.

Check Content

Verify the policy setting, User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Trust Center >> Protected View >> Do not open files from the Internet zone in Protected View is set to "Disabled".

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

HKCU\software\policies\microsoft\office\16.0\word\security\protectedview

If the value for disableinternetfilesinpv is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding.

If the value is REG_DWORD = 1, this is a finding.

Fix Text

Set the policy setting, User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Trust Center >> Protected View >> Do not open files from the Internet zone in Protected View to "Disabled".