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Read signed email as plain text must be enforced.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-17771 | DTOO215 | SV-53868r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Outlook can display email messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays digitally signed email messages in the format they were received in. |
| STIG | Date |
|---|---|
| Microsoft Outlook 2013 STIG | 2015-12-10 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-46773r1_fix) |
|---|
| Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Outlook Options -> Preferences -> E-mail Options "Read signed e-mail as plain text" to "Enabled". |