![]() ![]() Ensure that you are in the JIT section of Security Center.Next follow the below steps to enable JIT on a VM: Within Security Center go to the "Advanced Cloud Defense" category and then click on "Just in time VM access" link as shown below: To configure this go to Azure Security Center. The portal will automatically prompt you to upgrade as shown below: How to Access and Configure it You can upgrade from any of the advanced features. The first pre-requisite requires you to upgrade the Security Center to Advanced Security that comes with Standard Tier. If it doesn't have any then you can create one and associate it with the network interface of the VM. The VM on which you want to configure JIT access should have a Network Security Group (NSG) linked to it.The Azure Security Center needs to be upgraded to Advanced Security as shown below.The key pre-requisites to be able to use this feature are: Locking down the VM except when you need it and only for the duration of the requirement, reduces these risks significantly. to change some files on a Web app VM) then you are potentially opening up 3389 port on the VM and that can become a target for the attackers. If you need to access a VM, in your environment, from Internet without VPN (e.g. One such way is using Bots to automate and Brute Force method to attempt entering in your environment. The attackers are leveraging various ways to get into your environment. And then everything is locked down again at the end of the duration. The access is granted only for the duration allowed and also only on the ports requested. This is done via Network Security Group (NSG) rules. When you enable JIT, all access is locked down on the VM on all ports. In simple terms it allows you to control access to a VM. Just in time VM access is a feature under Azure Security Center. All posts in the series can be found here: Demystifying Azure Security - Series Index This blog post is part of the Demystifying Azure Security series. Demystifying Azure Security - Just In Time VM access 10, 2018 ![]()
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