Microsoft Outlook 2013 Security Technical Implementation Guide

The Microsoft Outlook 2013 Security Technical Implementation Guide (V1 R14) has 82 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R14

CurrentPublished Thu Jan 30 2025

Outlook Security Mode must be configured to use Group Policy settings.

Microsoft Outlook 2013 Security Technical Implementation Guide

Assessment Title

Rule Text

Outlook Security Mode must be configured to use Group Policy settings.

Description

Discussion Text

If users can configure security themselves, they might choose levels of security that leave their computers vulnerable to attack. By default, Outlook users can configure security for themselves, and Outlook ignores any security-related settings that are configured in Group Policy.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-242695

Rule

SV-242695r961863_rule

Severity

medium

Rule Version

DTOO239

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2013 >> Security >> Security Form Settings "Outlook Security Mode" is "Enabled (Use Outlook Security Group Policy)".

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

HKCU\Software\Policies\Microsoft\Office\15.0\outlook\security

Criteria: If the value AdminSecurityMode is REG_DWORD = 3, this is not a finding.

Implementation Procedure

Fix Text

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2013 >> Security >> Security Form Settings "Outlook Security Mode" to "Enabled (Use Outlook Security Group Policy)".

STIG check 32 of 82 in the Microsoft Outlook 2013 STIG checklist

← Previous · V-242694Users customizing attachment security settings must be prevented.Next · V-242696 →The ability to display level 1 attachments must be disallowed.