DTOO238 - Users customizing attachment security settings must be prevented.

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Information

This policy setting prevents users from overriding the set of attachments blocked by Outlook. If you enable this policy setting users will be prevented from overriding the set of attachments blocked by Outlook. Outlook also checks the 'Level1Remove' registry key when this setting is specified. If you disable or do not configure this policy setting, users will be allowed to override the set of attachments blocked by Outlook.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security 'Prevent users from customizing attachment security settings' to 'Enabled'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Outlook_2016_V2R1_STIG.zip

Item Details

Category: SYSTEM AND INFORMATION INTEGRITY

References: 800-53|SI-3, CAT|II, CCI|CCI-001170, Rule-ID|SV-228438r508021_rule, STIG-ID|DTOO238, STIG-Legacy|SV-85779, STIG-Legacy|V-71155, Vuln-ID|V-228438

Plugin: Windows

Control ID: 4c5dd26e914f0aa04085b4273b8440091d76373eb3ab059e16342aa8cfe56151