Details

This policy setting allows you to specify the day of the week on which to perform a scheduled scan. The scan can also be configured to run every day or to never run at all. This setting can be configured with the following ordinal number values: (0x0) Every Day (0x1) Sunday (0x2) Monday (0x3) Tuesday (0x4) Wednesday (0x5) Thursday (0x6) Friday (0x7) Saturday (0x8) Never (default) If you enable this setting a scheduled scan will run at the frequency specified. If you disable or do not configure this setting a scheduled scan will run at a default frequency.

Solution

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Scan -> ‘Specify the day of the week to run a scheduled scan’ to ‘Enabled ‘ and select anything other than ‘Never’ in the drop down box.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_Defender_Antivirus_V2R3_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: System and Information Integrity.This control applies to the following type of system Windows.

References

• 800-53|SI-3c.1.
• CAT|II
• CCI|CCI-001241
• Rule-ID|SV-213450r569189_rule
• STIG-ID|WNDF-AV-000026
• STIG-Legacy|SV-89917
• STIG-Legacy|V-75237
• Vuln-ID|V-213450

Source

• Tenable.com/audits