The Microsoft Defender SmartScreen for Explorer must be enabled.
An XCCDF Rule
Description
Microsoft Defender SmartScreen helps protect systems from programs downloaded from the internet that may be malicious. Enabling Microsoft Defender SmartScreen will warn or prevent users from running potentially malicious programs.
- ID
- SV-253395r958478_rule
- Version
- WN11-CC-000210
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> File Explorer >> "Configure Windows Defender SmartScreen" to "Enabled" with "Warn and prevent bypass" selected.
Windows 11 includes duplicate policies for this setting. It can also be configured under Computer Configuration >> Administrative Templates >> Windows Components >> Windows Defender SmartScreen >> Explorer.