STIGQter: STIG Summary: Microsoft Office 365 ProPlus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The Security Level for macros in Outlook must be configured to Warn for signed and disable unsigned.

DISA Rule

SV-223373r508019_rule

Vulnerability Number

V-223373

Group Title

SRG-APP-000207

Rule Version

O365-OU-000028

Severity

CAT II

CCI(s)

• CCI-001662 - The information system takes organization-defined corrective action when organization-defined unacceptable mobile code is identified.

Weight

10

Fix Recommendation

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Trust Center >> Security setting for macros must to "Enabled: Warn for signed, disable unsigned".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Trust Center >> Security setting for macros must be set to "Enabled: Warn for signed, disable unsigned".

Use the Windows Registry to navigate to the following key:

HKCU\software\policies\microsoft\office\16.0\outlook\security

If the value for level is set to REG_DWORD = 3, this is not a finding.

Vulnerability Number

V-223373

Documentable

False

Rule Version

O365-OU-000028

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Trust Center >> Security setting for macros must be set to "Enabled: Warn for signed, disable unsigned".

Use the Windows Registry to navigate to the following key:

HKCU\software\policies\microsoft\office\16.0\outlook\security

If the value for level is set to REG_DWORD = 3, this is not a finding.

Check Content Reference

M

Target Key

4099

Comments