Assign Azure roles for access rights

Microsoft Entra authorizes access rights to secured resources through Azure role-based access control (Azure RBAC). Azure Storage defines a set of Azure built-in roles that encompass common sets of permissions used to access table data. You can also define custom roles for access to table data.

When an Azure role is assigned to a Microsoft Entra security principal, Azure grants access to those resources for that security principal. A Microsoft Entra security principal may be a user, a group, an application service principal, or a managed identity for Azure resources.

Resource scope

Before you assign an Azure RBAC role to a security principal, determine the scope of access that the security principal should have. Best practices dictate that it's always best to grant only the narrowest possible scope. Azure RBAC roles defined at a broader scope are inherited by the resources beneath them.

You can scope access to Azure table resources at the following levels, beginning with the narrowest scope:

  • An individual table . At this scope, a role assignment applies to the specified table.
  • The storage account. At this scope, a role assignment applies to all tables in the account.
  • The resource group. At this scope, a role assignment applies to all of the tables in all of the storage accounts in the resource group.
  • The subscription. At this scope, a role assignment applies to all of the tables in all of the storage accounts in all of the resource groups in the subscription.
  • A management group. At this scope, a role assignment applies to all of the tables in all of the storage accounts in all of the resource groups in all of the subscriptions in the management group.

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