Monitor Activity Log Alert should exist for Create or Update Network Security Group¶
Create an Activity Log Alert for the “Create or Update Network Security Group” event. Monitoring for “Create or Update Network Security Group” events gives insight into network access changes and may reduce the time it takes to detect suspicious activity.
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 or Update Network Security Group” and select “Create or Update Network Security Group (Microsoft.Network/networkSecurityGroups).”
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 or Update Network Security Group, replacing
<action_group>with your own values:
az monitor activity-log alert create --name createUpdateNSG \ --resource-group <resource_group_name> \ --condition category="Administrative" and \ operationName="Microsoft.Network/networkSecurityGroups/write" \ --scope "/subscriptions/<subscription_id>" \ --action-group <action_group>