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

Check e-mail addresses against addresses of certificates being used must be disallowed.

Microsoft Outlook 2013 Security Technical Implementation Guide

Assessment Title

Rule Text

Check e-mail addresses against addresses of certificates being used must be disallowed.

Description

Discussion Text

This policy setting controls whether Outlook verifies the user's email address with the address associated with the certificate used for signing.

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

Objective

V-242741

Rule

SV-242741r961863_rule

Severity

medium

Rule Version

DTOO320

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 -> Cryptography "Do not check e-mail address against address of certificates being used" is set to "Enabled".

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 SupressNameChecks is REG_DWORD = 1, this is not a finding.

Implementation Procedure

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Cryptography "Do not check e-mail address against address of certificates being used" to "Enabled".

STIG check 78 of 82 in the Microsoft Outlook 2013 STIG checklist

← Previous · V-242740Replies or forwards to signed/encrypted messages must be signed/encrypted.Next · V-242742 →Outlook Rich Text options must be set for converting to plain text format.