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

Junk e-mail level must be enabled at a setting of High.

DISA Rule

SV-223351r508019_rule

Vulnerability Number

V-223351

Group Title

SRG-APP-000516

Rule Version

O365-OU-000006

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Preferences >> Junk E-mail >> Junk E-mail protection level to "High".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Preferences >> Junk E-mail >> Junk E-mail protection level is set to "High".

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

HKCU\software\policies\microsoft\office\16.0\outlook\options\mail

If the value junkmailprotection is set to "High", this is not a finding.

Vulnerability Number

V-223351

Documentable

False

Rule Version

O365-OU-000006

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Preferences >> Junk E-mail >> Junk E-mail protection level is set to "High".

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

HKCU\software\policies\microsoft\office\16.0\outlook\options\mail

If the value junkmailprotection is set to "High", this is not a finding.

Check Content Reference

M

Target Key

4099

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