Defending Home windows Digital Desktop environments with Azure Safety Heart

With huge workforces now distant, IT admins and safety professionals are beneath elevated strain to maintain everybody productive and linked whereas combatting evolving threats.

Home windows Digital Desktop is a complete desktop and software virtualization service operating in Azure, delivering simplified administration for digital desktop infrastructure (VDI).

Whereas organizations undergo this transformation, permitting their workers to stay productive, IT and safety professionals required to make sure the deployment of Home windows Digital Desktop is finished in accordance with safety finest practices so it doesn’t add pointless threat to the enterprise. On this weblog, we are going to discover how Azure Safety Heart may help preserve your Home windows Digital Desktop surroundings configuration hygiene and compliance, and shield it in opposition to threats.

Overview of Home windows Digital Desktop Host Pool structure

When establishing your Home windows Digital Desktop surroundings, you first have to create a Host Pool which is a group of a number of similar digital machines (VMs). To help the distant workforce use case, these VMs will often run a Home windows 10 multi-session OS. Under is an outline of the structure:
Customer Windows Virtual Desktop host pool VNET graph  

Yow will discover the VMs operating in your host pool by checking the Host Pool particulars and clicking on the Useful resource Group title:

 Windows Virtual Desktop host pools blade.

This may convey up the useful resource group particulars. Filtering by Digital Machine will present the listing of VMs:

Resource Group Windows Virtual Desktop VMs list.

Securing Home windows Digital Desktop deployment with Azure Safety Heart

Contemplating the shared duty mannequin, listed below are the safety wants clients are chargeable for in Home windows Digital Desktop deployment:

  • Community.
  • Deployment Configuration.
  • Session host OS.
  • Utility safety.
  • Identification.

These wants ought to be examined each within the context of safety posture in addition to risk safety. Right here is an instance:

  • Misconfiguration of the VMs Community layer can improve the assault floor and end in a compromised endpoint. One factor we need to guarantee is that every one administration ports ought to be closed in your Home windows Digital Desktop digital machines.
  • As soon as your customers are linked to their Home windows Digital Desktop session, they is perhaps manipulated to browse to a malicious web site or connect with a malicious machine. This may additionally occur in case there may be malware on the machine. Analyzing the community visitors to detect that your machine has communicated with what’s probably a Command and Management heart is one other safety layer.

Azure Safety Heart the next safety posture administration and risk safety capabilities for Home windows Digital Desktop VMs:

  • Safe configuration evaluation and Safe Rating.
  • Trade-tested vulnerability evaluation.
  • Host stage detections.
  • Agentless cloud community micro-segmentation & detection.
  • File integrity monitoring.
  • Simply in time VM entry.
  • Adaptive Utility Controls.

Here’s a desk that maps Azure Safety Heart safety capabilities Home windows Digital Desktop safety wants:

Mapping of Azure Security Center protection capabilities to Windows Virtual Desktop security needs.

Yow will discover the entire listing of suggestions and alerts within the following Azure Safety Heart reference guides:

Switching to the Azure Safety Heart portal, we are able to see the Home windows Digital Desktop host pool VMs beneath Compute & apps adopted by the VMs and Servers tab, in addition to their respective Safe Rating and standing:

 In Azure Security Center portal, we can see the Windows Virtual Desktop host pool VMs under Compute & apps followed by the VMs and Servers tab, as well as their respective Secure Score and status.

Drilling right down to a selected VM will present the total suggestion listing in addition to the Severity stage:

Showing full recommendation list as well as Severity level of a specific VM. 

These VMs are additionally assessed for compliance with totally different regulatory necessities, built-in or customized ones, and any compliance points shall be flagged out beneath the Regulatory Compliance dashboard.

As well as, safety alerts shall be displaying beneath Risk Safety adopted by Safety Alerts:

Showing VM security findings under Threat Protection blade followed by Security Alerts.

Each safety alerts and suggestions will be consumed and managed from the Safety Heart portal or will be exported to different instruments for additional evaluation and remediation. One nice instance can be integrating Azure Safety Heart with Azure Sentinel as a part of monitoring the Home windows Digital Desktop surroundings.

Enabling Azure Safety Heart for Home windows Digital Desktop surroundings

Azure Safety Heart Free tier gives safety suggestions and Safe Rating for Home windows Digital Desktop deployments.

To allow all safety capabilities it’s best to observe these two steps:

  1. Ensure you have Azure Safety Heart Commonplace tier (as proven under).
  2. Allow risk safety for Digital Machines.

Enabling threat protection for Virtual Machines in Azure Security Center.

And one final tip. In case you are utilizing Azure Devops CI/CD Pipelines along with Home windows 10 Azure VM Picture as an answer for steady construct and deploy of the Home windows Digital Desktop answer, you’re most definitely utilizing Azure Key Vault for the key administration. If not already enabled, establishing risk safety for Azure Key Vault ought to be your subsequent cease.

How are you defending your Home windows Digital Desktop surroundings? We’re positive there are loads extra concepts on the market and we might like to see the group submitting them to our GitHub repo.

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