Merge pull request #15876 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/azure-stack-docs (branch main)

Author: Taojunshen

azure-stack/hci/concepts/utility-applications.md

@@ -15,7 +15,7 @@ Azure Stack HCI is a hyperconverged infrastructure stack that’s uniquely pos
 
 This article spotlights utility applications from Microsoft partners that support the operating system.
 
-We recommend using Microsoft Defender Antivirus with the operating system. Other antivirus and malware detection software and services might impact the operating system’s ability to receive updates. This guidance might change in future releases of the operating system.
+We recommend using Microsoft Defender Antivirus with the Azure Stack HCI Operating System. Third party Antivirus and security software must be designed and approved for Azure Stack HCI. Other antivirus and malware detection software and services might impact the operating system’s ability to receive updates. This guidance might change in future releases of the operating system.
 
 ## Partner spotlight