STIGQter: STIG Summary: Microsoft Outlook 2013 STIG Version: 1 Release: 13 Benchmark Date: 26 Oct 2018:

Recipients of sent email must be unable to be added to the safe senders list.

DISA Rule

SV-53885r1_rule

Vulnerability Number

V-17558

Group Title

DTOO224 - Email Recipient to Safe Sender List

Rule Version

DTOO224

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 2013 -> Outlook Options -> Preferences -> Junk E-mail "Add e-mail recipients to users' Safe Senders Lists" to "Disabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Outlook Options -> Preferences -> Junk E-mail "Add e-mail recipients to users' Safe Senders Lists" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\outlook\options\mail

Criteria: If the value JunkMailTrustOutgoingRecipients is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-17558

Documentable

False

Rule Version

DTOO224

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Outlook Options -> Preferences -> Junk E-mail "Add e-mail recipients to users' Safe Senders Lists" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\outlook\options\mail

Criteria: If the value JunkMailTrustOutgoingRecipients is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2482

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