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CUI

STIG Rule - V-205850

V-205850

SV-205850r991589_rule

CAT I

Windows Server 2019 must use an anti-virus program.

From: Microsoft Windows Server 2019 Security Technical Implementation Guide (V3R8)

Description

<VulnDiscussion>Malicious software can establish a base on individual desktops and servers. Employing an automated mechanism to detect this type of software will aid in elimination of the software from the operating system.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

Check Procedure

Verify an anti-virus solution is installed on the system. The anti-virus solution may be bundled with an approved host-based security solution. If there is no anti-virus solution installed on the system, this is a finding. Verify if Windows Defender is in use or enabled: Open "PowerShell". Enter “get-service | where {$_.DisplayName -Like "*Defender*"} | Select Status,DisplayName” Verify if third-party anti-virus is in use or enabled: Open "PowerShell". Enter "get-service | where {$_.DisplayName -Like "*mcafee*"} | Select Status,DisplayName” Enter "get-service | where {$_.DisplayName -Like "*symantec*"} | Select Status,DisplayName”

Fix Text

If no anti-virus software is in use, install Windows Defender or third-party anti-virus. Open "PowerShell". Enter "Install-WindowsFeature -Name Windows-Defender”. For third-party anti-virus, install per anti-virus instructions and disable Windows Defender. Open "PowerShell". Enter "Uninstall-WindowsFeature -Name Windows-Defender”.

CCI Reference

CCI-000366
Created
2026-04-07 20:08:25
Last Updated
2026-04-07 20:08:25
CUI