Add Network type tag to device inventory

Author: tarTech23

defender-for-iot/manage-devices-inventory.md

@@ -40,6 +40,10 @@ To customize the device inventory views:
 - [Use filters](/defender-endpoint/machines-view-overview#use-filters-to-customize-the-device-inventory-views)
 - [Use columns](/defender-endpoint/machines-view-overview#use-columns-to-customize-the-device-inventory-views)
 
+### OT network tag
+
+When a Defender for Endpoint agent is associated with a site, all devices discovered by that agent receive the **Network type: OT** parameter in the **Tags** column to show that the site is used by OT security persona.
+
 [!INCLUDE [defender-iot-site-association](includes/site-association.md)]
 
 ## Manage OT devices