Azure is always try to ease up your data as much as confidential and secure. To improve much more Azure is introducing Customer Lockbox for Microsoft Azure.
What it does:
Customer Lockbox for Microsoft Azure is a service which is integrated into Azure portal.It gives you explicit control in the very rare instance when a Microsoft Support Engineer may need access to your data to resolve an issue.
Some instances may occur where a Microsoft Microsoft Support Engineer requires elevated permissions to resolve this issue such like debugging remote access issue.On that scenario Microsoft engineers use just-in-time access service that provides limited, time-bound authorization with access limited to the service.