Update compare-rbac-roles.md

Author: denisebmsft

defender-xdr/compare-rbac-roles.md

@@ -12,7 +12,7 @@ ms.collection:
 - tier3
 ms.custom: 
 ms.topic: reference
-ms.date: 04/11/2024
+ms.date: 06/27/2024
 ms.reviewer: 
 search.appverid: met150
 ---
@@ -34,6 +34,9 @@ This article describes how existing roles and permissions in Microsoft Defender
 - [Microsoft Defender Vulnerability Management](https://go.microsoft.com/fwlink/p/?linkid=2229011)
 - [Microsoft Defender for Cloud](/azure/defender-for-cloud/defender-for-cloud-introduction)
 
+> [!IMPORTANT]
+> Microsoft recommends that you use roles with the fewest permissions. This helps improve security for your organization. Global Administrator is a highly privileged role that should be limited to emergency scenarios when you can't use an existing role.
+
 <a name='map-microsoft-365-defender-unified-rbac-permissions-to-existing-rbac-permissions'></a>
 
 ## Map Microsoft Defender XDR Unified RBAC permissions to existing RBAC permissions