Monitor Activity Log Alert should exist for Create Policy Assignment


Create an activity log alert for the Create Policy Assignment event. Monitoring for create policy assignment events gives insight into changes done in “azure policy - assignments” and may reduce the time it takes to detect unsolicited changes.

Portal Remediation Steps

  • Navigate to Monitor > Alerts.

  • Select New alert rule.

  • Under Scope, click Select Resource.

  • Select your subscription and click Done.

  • Under Condition, click Select Condition.

  • In the search, enter the term “Create policy assignment” and select “Create policy assignment (Microsoft.Authorization/policyAssignments).”

  • Select Done.

  • Under Action group, click Select action group.

  • Select the desired action group to attach to the alert rule, or create one if needed, and click Select.

  • Enter an alert rule name and description.

  • Select a resource group.

  • Click Create alert rule.

CLI Remediation Steps

  • Create a Monitor Activity Log Alert for Create Policy Assignment, replacing <resource_group_name>, <subscription_id>, and <action_group> with your own values:

az monitor activity-log alert create --name createPolicyAssignment \
  --resource-group <resource_group_name> \
  --condition category="Administrative" and \
  operationName="Microsoft.Authorization/policyAssignments/write" \
  --scope "/subscriptions/<subscription_id>" \
  --action-group <action_group>