STIGQter STIGQter: STIG Summary: Microsoft Outlook 2016 Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Oct 2020:

Message formats must be set to use SMime.

DISA Rule

SV-228453r508021_rule

Vulnerability Number

V-228453

Group Title

SRG-APP-000179

Rule Version

DTOO260

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Message Formats" to "Enabled (S\MIME)".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Message Formats" is set to "Enabled (S\MIME)".

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

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security

Criteria: If the value MsgFormats is REG_DWORD = 1, this is not a finding.

Vulnerability Number

V-228453

Documentable

False

Rule Version

DTOO260

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Message Formats" is set to "Enabled (S\MIME)".

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

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security

Criteria: If the value MsgFormats is REG_DWORD = 1, this is not a finding.

Check Content Reference

M

Target Key

4224

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