STIGQter STIGQter: STIG Summary: Microsoft Outlook 2016 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 28 Jul 2017: Outlook minimum encryption key length settings must be set.

DISA Rule

SV-85897r1_rule

Vulnerability Number

V-71273

Group Title

SRG-APP-000514

Rule Version

DTOO316

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Minimum encryption settings" to "Enabled: 168 bits".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Minimum encryption settings" is set to "Enabled: 168 bits".

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 MinEncKey is REG_DWORD = a8 (hex) or 168 (decimal), this is not a finding.

Vulnerability Number

V-71273

Documentable

False

Rule Version

DTOO316

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Cryptography "Minimum encryption settings" is set to "Enabled: 168 bits".

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 MinEncKey is REG_DWORD = a8 (hex) or 168 (decimal), this is not a finding.

Check Content Reference

M

Target Key

3121

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