Implementing Defender for Servers using Bicep

Introduction

Microsoft Defender for Servers is a comprehensive security solution designed to protect your server infrastructure from various threats, including vulnerabilities. It provides advanced threat detection, vulnerability management, and security recommendations to help organisations safeguard their servers. With Microsoft Defender for Servers, you can identify and remediate vulnerabilities, ensuring your server environment remains secure and compliant.

Step-by-Step Implementation Guide

Prerequisites

Before you begin, ensure you have the following:

An Azure subscription
Basic understanding of Bicep and Azure Resource Manager (ARM) templates

Using Bicep to Implement Vulnerability Management

Step 1: Create a Bicep File

Create a new Bicep file (e.g., defenderForServers.bicep) and define the resources needed for Microsoft Defender for Servers. Below is an example configuration:

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resource defenderForServers 'Microsoft.Security/autoProvisioningSettings@2020-01-01-preview' = {
  name: 'default'
  properties: {
    autoProvision: 'On'
  }
}

resource securityContact 'Microsoft.Security/securityContacts@2020-01-01-preview' = {
  name: 'default1'
  properties: {
    email: 'security@example.com'
    phone: '+1234567890'
    alertNotifications: 'On'
    alertsToAdmins: 'On'
  }
}

resource pricing 'Microsoft.Security/pricings@2020-01-01-preview' = {
  name: 'VirtualMachines'
  properties: {
    pricingTier: 'Standard'
  }
}

Step 2: Deploy the Bicep File

Run the following command to deploy the Bicep file to your Azure subscription:

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az deployment group create --resource-group <your-resource-group> --template-file defenderForServers.bicep

Step 4: Verify the Deployment

After deploying the Bicep file, verify that Microsoft Defender for Servers is enabled and configured correctly. You can do this by checking the Azure portal and ensuring that the resources are in place and functioning as expected.

Conclusion

Implementing vulnerability management with Microsoft Defender for Servers and Bicep allows organisations to automate and enforce security policies effectively. By following the steps outlined in this guide, you can ensure that your server infrastructure is protected from vulnerabilities and threats. Microsoft Defender for Servers provides a robust solution for managing and securing your server environment.

Learn More

For more detailed information and tutorials, visit the following Microsoft Learn resources: