diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
index e74810e5f41c..3d0a550c1fc9 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/defenderSettings.json
@@ -327,12 +327,34 @@
           "format": "date-time",
           "description": "End time of the evaluation period, if such exist",
           "readOnly": true
+        },
+        "mdeIntegration": {
+          "type": "object",
+          "description": "MDE integration configuration",
+          "properties": {
+            "status": {
+              "type": "string",
+              "enum": [
+                "Disabled",
+                "Enabled"
+              ],
+              "description": "Integration status",
+              "x-ms-enum": {
+                "name": "MdeIntegration",
+                "modelAsString": true
+              }
+            }
+          },
+          "required": [
+            "status"
+          ]
         }
       },
       "required": [
         "deviceQuota",
         "sentinelWorkspaceResourceIds",
-        "onboardingKind"
+        "onboardingKind",
+        "mdeIntegration"
       ]
     },
     "DownloadLink": {
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
index 82bd85a5d93d..b09af2e3f88d 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Get.json
@@ -15,7 +15,10 @@
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
           ],
           "onboardingKind": "Evaluation",
-          "evaluationEndTime": "2021-06-29T00:00:00.0000000Z"
+          "evaluationEndTime": "2021-06-29T00:00:00.0000000Z",
+          "mdeIntegration": {
+            "status": "Enabled"
+          }
         }
       }
     }
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
index 99e14fb07340..65f340eab84f 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/List.json
@@ -16,7 +16,10 @@
               "sentinelWorkspaceResourceIds": [
                 "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
               ],
-              "onboardingKind": "Default"
+              "onboardingKind": "Default",
+              "mdeIntegration": {
+                "status": "Enabled"
+              }
             }
           }
         ]
diff --git a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
index 2401622c2a8b..34f7013a1c67 100644
--- a/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
+++ b/specification/iotsecurity/resource-manager/Microsoft.IoTSecurity/preview/2021-02-01-preview/examples/DefenderSettings/Put.json
@@ -8,7 +8,10 @@
         "sentinelWorkspaceResourceIds": [
           "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
         ],
-        "onboardingKind": "Default"
+        "onboardingKind": "Default",
+        "mdeIntegration": {
+          "status": "Enabled"
+        }
       }
     }
   },
@@ -23,7 +26,10 @@
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
           ],
-          "onboardingKind": "Default"
+          "onboardingKind": "Default",
+          "mdeIntegration": {
+            "status": "Enabled"
+          }
         }
       }
     },
@@ -37,7 +43,10 @@
           "sentinelWorkspaceResourceIds": [
             "/subscriptions/c4930e90-cd72-4aa5-93e9-2d081d129569/resourceGroups/myRg/providers/Microsoft.OperationalInsights/workspaces/myWorkspace1"
           ],
-          "onboardingKind": "Default"
+          "onboardingKind": "Default",
+          "mdeIntegration": {
+            "status": "Enabled"
+          }
         }
       }
     }