Details
Outlook can display e-mail messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays digitally signed e-mail messages in the format they were received in.
Solution
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Outlook Options -> Preferences -> E-mail Options ‘Read signed e-mail as plain text’ to ‘Enabled’.
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.
References
- 800-53|CM-6b.
- CAT|II
- CCI|CCI-000366
- Rule-ID|SV-33519r1_rule
- STIG-ID|DTOO215
- Vuln-ID|V-17771