The engineer was called away and forgot to update the NSG rules to harden them against publicly exposing the SSH management port of the Linux VM on the Internet. In our scenario an engineer is troubleshooting connectivity issues with SFTP server and decides in the course to update a NSG Inbound Rule Port 22, TCP, Any, Any, Allow The network Security Groups are the default ones created from the Azure Portal. Both virtual machines have a Network Security Group applied to the NIC of the Virtual Machine. The second server is acting as a SAMBA NFS and SMB file server for SFTP server.Īs discussed, the SFTP virtual machine is Internet facing and has a Public IP Address. One virtual machine is acting as a SFTP server on the Internet.
In the following scenario we have a 2-tier application consisting of virtual machines in a Spoke Virtual Network. Understanding the Scenario – Triggering of Security Playbook Send ASC Recommendations to Azure Resource Stakeholders The Adventure of Automating Azure Security Center Part 1Ĭlosing an Incident in Azure Sentinel and Dismissing an Alert in Azure Security Center While most organizations use Azure Security Center Just in Time access feature there are some that do not.īefore we dive deeper, I want to thank Yuri Diogenes and Yoav Francis who have provided a unique set of challenges that helped spark these articles in the workflow automation series. A common attack that still occurs in the cloud is brute force attacks against the Azure VMs management ports like SSH for Linux and RDP for Windows. Configure the prerequisites for automated Azure VM isolationĪs we wrap up our exploration of Azure ways to automate in the domain of security related tasks, we find ourselves looking into Azure Threat Alerts.Understand the attack and automated response scenario.This post has been republished via RSS it originally appeared at: New blog articles in Microsoft Tech Community.
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