Reference:
https://docs.microsoft.com/en-us/azure/aks/azure-ad-integration

Reference:
https://docs.microsoft.com/en-us/azure/sql-database/sql-database-aad-authentication-configure

Always Encrypted uses two types of keys: column encryption keys and column master keys. A column encryption key is used to encrypt data in an encrypted column. A column master key is a key-protecting key that encrypts one or more column encryption keys.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine

Although the use of system routes facilitates traffic automatically for your deployment, there are cases in which you want to control the routing of packets through a virtual appliance. You can do so by creating user defined routes that specify the next hop for packets flowing to a specific subnet to go to your virtual appliance instead, and enabling IP forwarding for the VM running as the virtual appliance.
Note: User Defined Routes
For most environments you will only need the system routes already defined by Azure. However, you may need to create a route table and add one or more routes in specific cases, such as:
* Force tunneling to the Internet via your on-premises network.
* Use of virtual appliances in your Azure environment.
* In the scenarios above, you will have to create a route table and add user defined routes to it.
Reference:
https://github.com/uglide/azure-content/blob/master/articles/virtual-network/virtual-networks-udr-overview.md

Step 1:
1. In Azure portal go to the storage account you want to secure. Here: rg1lod10598168
2. Click on the settings menu called Firewalls and virtual networks.
3. To deny access by default, choose to allow access from Selected networks. To allow traffic from all networks, choose to allow access from All networks.
4. Click Save to apply your changes.
Step 2:
1. Go to the storage account you want to secure. Here: rg1lod10598168
2. Click on the settings menu called Firewalls and virtual networks.
3. Check that you've selected to allow access from Selected networks.
4. To grant access to a virtual network with a new network rule, under Virtual networks, click Add existing virtual network, select Virtual networks and Subnets options. Enter the 131.107.0.0/16 subnet and then click Add.
Note: When network rules are configured, only applications requesting data over the specified set of networks can access a storage account. You can limit access to your storage account to requests originating from specified IP addresses, IP ranges or from a list of subnets in an Azure Virtual Network (VNet).
Reference:
https://docs.microsoft.com/en-us/azure/storage/common/storage-network-security