You may already know Azure Security Center, your one stop shop for anything security related on Azure, helping you managing and improving your security posture on your Azure resources (and also on-premises ones if you are in hybrid).
Well, Azure Security Center is now also helping you identifying (or more importantly provides a better visibility) on misconfigured network access – identified as Restrict unauthorized network access.
To start reviewing your network security and apply recommendations connect to your Azure portal (https://portal.azure.com/) and access the Security Center
Then access the Recommendations blade and look for Restrict unauthorized network access
The Restrict unauthorized network access provides the following recommendations: