Prevent bypassing Windows Defender SmartScreen prompts for files

Supported on: Microsoft Edge on Windows 10, Version 1511 or later

Registry

HKLM Software\Policies\Microsoft\MicrosoftEdge\PhishingFilter

HKCU Software\Policies\Microsoft\MicrosoftEdge\PhishingFilter

Value name: PreventOverrideAppRepUnknown

Enabled: PreventOverrideAppRepUnknown = 1

Disabled: PreventOverrideAppRepUnknown = 0

Description

This policy setting lets you decide whether employees can override the Windows Defender SmartScreen warnings about downloading unverified files. If you enable this setting, employees can't ignore Windows Defender SmartScreen warnings and they are blocked from downloading the unverified files. If you disable or don't configure this setting, employees can ignore Windows Defender SmartScreen warnings and continue the download process.