Outlook must be configured not to prompt users to choose security settings if default settings fail.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-228473 | DTOO315 | SV-228473r508021_rule | CCI-000366 | medium |
| Description | ||||
| Check to prompt the user to choose security settings if default settings fail; uncheck to automatically select. | ||||
| STIG | Date | |||
| Microsoft Outlook 2016 Security Technical Implementation Guide | 2022-03-11 | |||
Details
Check Text (C-228473r508021_chk)
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security "Prompt user to choose security settings if default settings fail" is set to "Disabled".
Procedure: Use the Windows Registry Editor to navigate to the following key:
HKCU\Software\Policies\Microsoft\Office\16.0\outlook\security
Criteria: If the value ForceDefaultProfile is REG_DWORD = 0, this is not a finding.
Fix Text (F-30691r497742_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security "Prompt user to choose security settings if default settings fail" to "Disabled".