Azure Key Vault -- To store sensitive data

Azure Key Vault -- To store sensitive data

This technology is used to hide all the sensitive information like SQL Connection strings, SQL User Name, and passwords. Advantage of this technology is you define the key-value pairs like give the connection string a name and the entire connection string is hidden from all the applications.

This will help not to store the connection strings in source control or applications. In all the applications and source control we refer only with the secret name

For more information, check the following

https://docs.microsoft.com/en-us/azure/key-vault/key-vault-whatis