This policy setting controls whether Microsoft Defender SmartScreen can check if downloads have been retrieved from a trusted source. The recommended state for this setting is Enabled. Rationale: Windows Defender SmartScreen can verify that downloads are from a trusted source will can greatly reduce the chances of a user downloading an infected package to their machine. Impact: None - this is the default behavior.
To establish the recommended configuration via GP, set the following UI path to Enabled Computer Configuration\Policies\Administrative Templates\Microsoft Edge\Force Microsoft Defender SmartScreen checks on downloads from trusted sources Note: This Group Policy path may not exist by default. It is provided by the Group Policy template MSEdge.admx/adml that can be downloaded from Microsoft here. Default Value: Enabled - But the user can change this setting.