RSV key feature updates

Author: AbhishekMallick-MS

articles/backup/backup-azure-recovery-services-vault-overview.md

@@ -2,7 +2,7 @@
 title: Overview of Recovery Services vaults
 description: An overview of Recovery Services vaults.
 ms.topic: conceptual
-ms.date: 01/25/2024
+ms.date: 03/26/2024
 ms.service: backup
 author: AbhishekMallick-MS
 ms.author: v-abhmallick
@@ -28,6 +28,9 @@ Recovery Services vaults are based on the Azure Resource Manager model of Azure,
 
 - **Cross Region Restore**:  Cross Region Restore (CRR) allows you to restore Azure VMs in a secondary region, which is an Azure paired region. By enabling this feature at the [vault level](backup-create-rs-vault.md#set-cross-region-restore), you can restore the replicated data in the secondary region any time, when you choose. This enables you to restore the secondary region data for audit-compliance, and during outage scenarios, without waiting for Azure to declare a disaster (unlike the GRS settings of the vault). [Learn more](backup-azure-arm-restore-vms.md#cross-region-restore).
 
+- **Data isolation**: With Azure Backup, the vaulted backup data is stored in Microsoft-managed Azure subscription and tenant. External users or guests have no direct access to this backup storage or its contents, which ensures the isolation of backup data from the production environment where the data source resides. This robust approach ensures that even in a compromised environment, existing backups can't be tampered or deleted by unauthorized users.
+ 
+
 ## Storage settings in the Recovery Services vault
 
 A Recovery Services vault is an entity that stores the backups and recovery points created over time. The Recovery Services vault also contains the backup policies that are associated with the protected virtual machines.