Microsoft Defender for IoT
GeneralCreate Custom Alerts
In brief
The guide updates capitalization, phrasing, drop-down terminology, the Save button label, and changes the “Next steps” heading to “Related content.”
What Defender admins need to know
Administrators do not need to take action; the instructions are clearer to follow.
Summaries are generated from the documentation change itself.
Documentation change
View on Microsoft LearnThe comparison below shows only the changed extract. Use the full-page view for complete context.
title: Create custom alertsCustom Alerts
description: Understand, create, and assign custom device alerts for the Microsoft Defender for IoT security service.
ms.topic: how-to
ms.date: 06/12/2026
Select on Custom alerts.
Choose a security group to which you wish to apply the
customization to.customization.Select Add a custom alert.
Select a custom alert from the
dropdowndrop-down list.Edit the required
properties,properties and select OK.Make sure to select
SAVESave. Without saving the new alert, the alert is deleted the next time you close IoT Hub.
Alerts available for customization
Defender for IoT offers a large number of alerts, which can be customized according to your specific needs. Review the customizable alert table for alert severity, data source, description, and our suggested remediation steps if and when each alert is received.
Next stepsRelated content
@@ -1,5 +1,5 @@ ----title: Create custom alerts+title: Create Custom Alerts description: Understand, create, and assign custom device alerts for the Microsoft Defender for IoT security service. ms.topic: how-to ms.date: 06/12/2026@@ -58,20 +58,20 @@ Use security groups to group your devices into logical categories. After creatin 1. Select on **Custom alerts**. -1. Choose a security group you wish to apply the customization to.+1. Choose a security group to which you wish to apply the customization. 1. Select **Add a custom alert**. -1. Select a custom alert from the dropdown list.+1. Select a custom alert from the drop-down list. -1. Edit the required properties, select **OK**.+1. Edit the required properties and select **OK**. -1. Make sure to select **SAVE**. Without saving the new alert, the alert is deleted the next time you close IoT Hub.+1. Make sure to select **Save**. Without saving the new alert, the alert is deleted the next time you close IoT Hub. ## Alerts available for customization Defender for IoT offers a large number of alerts, which can be customized according to your specific needs. Review the [customizable alert table](concept-customizable-security-alerts.md) for alert severity, data source, description, and our suggested remediation steps if and when each alert is received. -## Next steps+## Related content - [Deploy a security agent](how-to-deploy-agent.md)