Microsoft Defender for IoT
GeneralMonitor site security for Microsoft Defender for IoT in the Defender portal
In brief
The page title now identifies Microsoft Defender for IoT in the Defender portal, and the guidance says to select a device count in the site list to view accessible device data.
What Defender admins need to know
No administrator action is required. Site totals may include inaccessible sites, while Device Inventory shows only devices the administrator can access.
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.
Monitor site security for Microsoft Defender for IoT in the Defender portal
Microsoft Defender for IoT in the Microsoft Defender portal includes the Site security page, which offers an overview of the security state of your entire OT environment. Your organization's security team can use this page to regularly monitor the security status of your production sites.
:::image type="content" source="media/monitor-site-security/site-security-page-blurred.png" alt-text="Screenshot showing the site security page with a list of sites." lightbox="media/monitor-site-security/site-security-page-blurred.png":::
The data displayed in the Site security page is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you drill down intoselect a device data fromcount in theSite security page's site list table, the Device Inventory page only displays data for devices you can access.
Review site protection information
Review the site specific data in the sites list table.
Note that the data displayed in the sites list table is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you drill down intoselect a device data,count in the site list table, the Device Inventory page only displays data for devices you can access.
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@@ -5,13 +5,13 @@ ms.service: defender-for-iot author: limwainstein ms.author: lwainstein ms.localizationpriority: medium-ms.date: 06/11/2026+ms.date: 07/02/2026 ms.topic: how-to ai-usage: ai-assisted-ms.custom: msecd-doc-authoring-1013+ms.custom: msecd-doc-authoring-1016 --- -# Monitor site security+# Monitor site security for Microsoft Defender for IoT in the Defender portal Microsoft Defender for IoT in the Microsoft Defender portal includes the **Site security** page, which offers an overview of the security state of your entire OT environment. Your organization's security team can use this page to regularly monitor the security status of your production sites. @@ -37,7 +37,7 @@ The **Site security** page gives you an overview of the security status of your :::image type="content" source="media/monitor-site-security/site-security-page-blurred.png" alt-text="Screenshot showing the site security page with a list of sites." lightbox="media/monitor-site-security/site-security-page-blurred.png"::: -The data displayed in the **Site security** page is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you drill down into device data from the **Site security** page's site list table, the **Device Inventory** page only displays data for devices you can access.+The data displayed in the **Site security** page is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you select a device count in the site list table, the **Device Inventory** page only displays data for devices you can access. ## Review site protection information @@ -55,7 +55,7 @@ Review the top **How protected are your sites** section to get the following inf Review the site specific data in the sites list table. -Note that the data displayed in the sites list table is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you drill down into device data, the **Device Inventory** page only displays data for devices you can access.+Note that the data displayed in the sites list table is the total aggregated data for the entire environment, and might include data for sites that you don't have access to. When you select a device count in the site list table, the **Device Inventory** page only displays data for devices you can access. |Column | Description|Next steps | |----|----|----|