Blocking as default file block opening behavior must be enforced.

From Microsoft Word 2013 STIG

Part of DTOO110 - Set default file block behavior

SV-53555r1_rule Blocking as default file block opening behavior must be enforced.

Vulnerability discussion

Users can open, view, or edit a large number of file types in Office 2013. Some file types are safer than others, as some could allow malicious code to become active on user computers or the network. For this reason, disabling or not configuring this setting could allow malicious code to become active on user computers or the network.

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Fix text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2013 -> Word Options -> Security -> Trust Center -> File Block Settings "Set default file block behavior" to "Enabled: Blocked files are not opened".

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