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CloudSploit

AZURE / Security Center / Monitor NSG Enabled

Quick Info
Plugin Title Monitor NSG Enabled
Cloud AZURE
Category Security Center
Description Ensures Network Security Groups monitoring is enabled in Security Center
More Info When this setting is enabled, Security Center will audit the Network Security Groups that are enabled on the VM for permissive rules.
AZURE Link https://docs.microsoft.com/en-us/azure/security-center/security-center-policy-definitions
Recommended Action Ensure Network Security Group monitoring is configured from the Azure Security Center.

Detailed Remediation Steps

  1. Log into the Microsoft Azure Management Console.
  2. Select the "Search resources, services, and docs" option at the top and search for Security Center.
  3. Scroll down the "Security Center" and select the "Security policy" option under the "Management" on left navigation panel.
  4. On the "Policy Management" page under "Name" column select the "Subscription Name" that needs to be verified.
  5. In the "Security Policy" page scroll down and click on the "Azure Security Benchmark".
  6. In the "Azure Security Benchmark" click on the Next button.
  7. In the "Azure Security Benchmark", check for the "Internet-facing virtual machines should be protected with network security groups" Parameter and if it's set to "Disable" then the encryption is not enabled.
  8. Repeat steps number 2 - 7 to check other "Subscriptions" under the "Security Center."
  9. Navigate to the "Security Center", select the "Security policy" and under "Policy Management" seelct the "Subscription" that needs to enable the "Monitor network security groups setting."
  10. Select the "Subscription" link under the "Security policy" at the top to get into the configuration settings.
  11. Scroll down the page and under "Parameter" choose the "Internet-facing virtual machines should be protected with network security groups" and select the "AuditIfNotExists" option from the dropdown menu and click on the "Save" button at the bottom to make the necessary changes.
  12. Repeat steps number 9 - 11 to ensure Network Security Group monitoring is configured from the Azure Security Center.