DTOO273 - IE Trusted Zones assumed trusted must be blocked.

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Information

This policy setting controls whether pictures from sites in the Trusted Sites security zone are automatically downloaded in Outlook e-mail messages and other items. If you enable this policy setting, Outlook does not automatically download content from Web sites in the Trusted sites zone in Internet Explorer. Recipients can choose to download external content on a message-by-message basis. If you disable or do not configure this policy setting, Outlook automatically downloads content from Web sites in the Trusted sites zone in Internet Explorer.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Security -> Automatic Picture Download Settings 'Block Trusted Zones' 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 COMMUNICATIONS PROTECTION

References: 800-53|SC-18(3), CAT|II, CCI|CCI-000366, Rule-ID|SV-228461r508021_rule, STIG-ID|DTOO273, STIG-Legacy|SV-85867, STIG-Legacy|V-71243, Vuln-ID|V-228461

Plugin: Windows

Control ID: 947f63232fcc18b6b2fb9d01c3e46d1c58049f649b9903a8ba3ac251314df8f4