Azure-SecurityCenter-Monitor-VM-Vulnerability

Severity: High

Description: This control ensures that Vulnerabilities should be remediated by a Vulnerability Assessment solution' is enabled for at least one policy assignment with policy definition Enable Monitoring in Azure Security Center. When this setting is enabled, it enables the detection of VM vulnerabilities by a vulnerability assessment solution.

Remediation Steps:

Perform following to update parameters:

1. Login to Azure Portal using https://portal.azure.com.

2. Go to Policy service.

3. On Policy overview, Click onDefault/Custom Policy.

4. Click on Edit Assignments.

5. In Basics menu, check there are no exclusions added for resource Group.

6. Set Policy Enforcement to Enabled.

7. Goto Parameters and set Vulnerabilities should be remediated by a Vulnerability Assessment solution to AuditIfNotExist

8. Click Review + save.

Important:

• Along with ASC Default assignment, there could be custom policy assignments with the policy definition "Enable Monitoring in Azure Security Center". 'Monitor missing Endpoint Protection in Azure Security Center' should be enabled for at least one of such assignments

Reference:

• Security policies in Microsoft Defender for Cloud - Microsoft Defender for Cloud

• Enable vulnerability scanning with the integrated Qualys scanner (deprecated) - Microsoft Defender for Cloud

• https://msdn.microsoft.com/en-us/library/mt704062.aspx

• https://msdn.microsoft.com/en-us/library/mt704063.aspx

• https://docs.microsoft.com/en-us/rest/api/resources/policyassignments/get

• https://docs.microsoft.com/en-us/rest/api/resources/policyassignments/create