18.10.42.10.1 (L1) Ensure 'Scan all downloaded files and attachments' is set to 'Enabled'

Information

This policy setting configures scanning for all downloaded files and attachments.

The recommended state for this setting is: Enabled

When running an antivirus solution such as Microsoft Defender Antivirus, it is important to ensure that it is configured to heuristically monitor in real-time for suspicious and known malicious activity.

Solution

To establish the recommended configuration via GP, set the following UI path to Enabled :

Computer Configuration\Policies\Administrative Templates\Windows Components\Microsoft Defender Antivirus\Real-Time Protection\Scan all downloaded files and attachments

Note: This Group Policy path is provided by the Group Policy template WindowsDefender.admx/adml that is included with the Microsoft Windows 8.1 & Server 2012 R2 Administrative Templates (or newer).

Impact:

None - this is the default behavior.

See Also

https://workbench.cisecurity.org/benchmarks/17610

Item Details

Category: SYSTEM AND INFORMATION INTEGRITY

References: 800-53|SI-3, CSCv7|8.1

Plugin: Windows

Control ID: 4cef864cf9426dd52ac9250d9ca8a2fd700e30886ad54bf196ef76b3778d8919