Do not provide Continue Option on Encryption Warning dialog box

Do not provide Continue Option on Encryption Warning dialog box - Outlook.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17604	DTOO261 - Outlook	SV-18735r1_rule	ECSC-1	Medium

Description
By default, if Outlook 2007 users see an encryption-related dialog box when attempting to send a message, they can choose to dismiss the warning and send the message anyway. If users send messages after seeing an encryption error, it is likely that recipients will not be able to read them.

STIG	Date
Microsoft Outlook 2007	2015-09-17

Details

Check Text ( C-18906r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Outlook 2007 -> Security -> Cryptography “Do not provide Continue option on Encryption warning dialog boxes” will be set to “Disabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Security Criteria: If the value DisableContinueEncryption is REG_DWORD = 0, this is not a finding.

Check Text ( C-18906r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Office Outlook 2007 -> Security -> Cryptography “Do not provide Continue option on Encryption warning dialog boxes” will be set to “Disabled”.

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

HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Security

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

Fix Text (F-17522r1_fix)
The policy value for User Configuration -> Administrative Templates -> Microsoft Office Outlook 2007 -> Security -> Cryptography “Do not provide Continue option on Encryption warning dialog boxes” will be set to “Disabled”.