Azure Security Center is a powerful tool set to monitor and alert on security breaches of your Azure services. You can find security center in the All services view of the Azure portal:
If you would like to start with security center, you will have the chance to test it for about 60 days before you have to pay:
The POLICY & COMPLIANCE tab gives an overview of the state of the art for all enabled security features:
The RECOMMENDATIONS tab provides an overview of features that you should enable within your Azure environment. This is more or less the best practice analyzer for Azure Security. You can choose the following tabs to get a more detailed filtered view based on computer, networking, storage, identity, and security, as shown in the following screenshot:
As you can see in the Networking tab, there are recommendations for setting up firewall services or restricting resource access:
And finally, the Connected solutions...