Using a bastion host can help limit threats such as port scanning and other types of malware targeting your VMs. Ashish Jain joins Scott Hanselman to show how Azure Bastion gives you secure and seamless RDP and SSH access to your virtual machines. Now you can securely access your VMs over SSL from the Azure portal and without exposing public IP addresses.
Azure Bastion overview
Azure Bastion docs
Deploy Azure Bastion in an Azure Virtual Network (sample ARM template)
Create a free account (Azure)
Publisher: Microsoft Azure
You can watch this video also at the source.