![]() When data is backed up from on-premises servers with the MARS agent, data is encrypted with a passphrase before upload to Azure Backup and decrypted only after it's downloaded from Azure Backup. For more information, learn more about encrypted Azure VMs and Azure Backup. It applies to all workloads being backed up to your Recovery Services vault.Īzure Backup supports backup and restore of Azure VMs that have their OS/data disks encrypted with Azure Disk Encryption (ADE) and VMs with CMK encrypted disks. You can also encrypt your backed up data using customer managed keys stored in the Azure Key Vault. This data remains on the Azure backbone network.īackup data is automatically encrypted using platform-managed keys, and you don't need to take any explicit action to enable it. Within Azure, data in transit between Azure storage and the vault is protected by HTTPS. Data encryption occurs in many stages in Azure Backup: Encryption of dataĮncryption protects your data and helps you to meet your organizational security and compliance commitments. Read more on private endpoints for Azure Backup here. It can also be used for your on-premises servers using the MARS agent. Private Endpoints can be used for backing up and restoring your SQL and SAP HANA databases that run inside your Azure VMs. The private endpoint uses an IP from the VNET address space for your vault, so you don't need to expose your virtual networks to any public IPs. You can now use Private Endpoints to back up your data securely from servers inside a virtual network to your Recovery Services vault. Therefore, backup of Azure VMs placed inside secured networks doesn't require you to allow access to any IPs or FQDNs. ![]() However, all the required communication and data transfer happens only on the Azure backbone network without needing to access your virtual network. Internet connectivity not required for Azure VM backupīackup of Azure VMs requires movement of data from your virtual machine's disk to the Recovery Services vault. In this way, even in a compromised environment, existing backups can't be tampered with or deleted by the guest. With SQL and SAP HANA, the backup extension gets temporary access to write to specific blobs. With the virtual machine backup, the backup snapshot creation and storage are done by Azure fabric where the guest has no involvement other than quiescing the workload for application consistent backups. With Azure Backup, which includes virtual machine backup and SQL and SAP HANA in VM backup, the backup data is stored in Azure storage and the guest has no direct access to backup storage or its contents. Separation between guest and Azure storage Learn more about security controls for Azure Backup. Learn more about Azure role-based access control to manage Azure Backup.Īzure Backup has several security controls built into the service to prevent, detect, and respond to security vulnerabilities.
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