This policy setting lets you configure whether Microsoft Defender SmartScreen checks download reputation from a trusted source.
If you enable or don't configure this setting, Microsoft Defender SmartScreen checks the download's reputation regardless of source.
If you disable this setting, Microsoft Defender SmartScreen doesn't check the download's reputation when downloading from a trusted source.
This policy is available only on Windows instances that are joined to a Microsoft Active Directory domain, Windows 10 Pro or Enterprise instances that enrolled for device management.
|Registry Hive||HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER|