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Namespace: microsoft.graph.security
Retrieve the properties and relationships of an incident object.
Attacks are typically inflicted on different types of entities, such as devices, users, and mailboxes, resulting in multiple alert objects. Microsoft 365 Defender correlates alerts with the same attack techniques or the same attacker into an incident.
This API is available in the following national cloud deployments.
| Global service | US Government L4 | US Government L5 (DOD) | China operated by 21Vianet |
|---|---|---|---|
| ✅ | ✅ | ✅ | ❌ |
Permissions
Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.
| Permission type | Least privileged permissions | Higher privileged permissions |
|---|---|---|
| Delegated (work or school account) | SecurityIncident.Read.All | SecurityIncident.ReadWrite.All |
| Delegated (personal Microsoft account) | Not supported. | Not supported. |
| Application | SecurityIncident.Read.All | SecurityIncident.ReadWrite.All |
Important
In delegated scenarios with work or school accounts, the signed-in user must be assigned a supported Microsoft Entra role or a custom role with a supported role permission. The following least privileged roles are supported for this operation.
- Security Reader
- Global Reader
- Security Operator
- Security Administrator
HTTP request
GET /security/incidents/{incidentId}
Request headers
| Name | Description |
|---|---|
| Authorization | Bearer {token}. Required. Learn more about authentication and authorization. |
Request body
Don't supply a request body for this method.
Response
If successful, this method returns a 200 OK response code and an incident object in the response body.
Examples
Request
The following example shows a request.
GET https://graph.microsoft.com/v1.0/security/incidents/29
Response
The following example shows the response.
Note: The response object shown here might be shortened for readability.
HTTP/1.1 200 OK
Content-type: application/json
{
"@odata.context": "https://graph.microsoft.com/v1.0/$metadata#security/incidents/$entity",
"id": "29",
"tenantId": "cfcdbe43-297b-4c6b-ac7e-8d7f6befb514",
"status": "active",
"incidentWebUrl": "https://security.microsoft.com/incident2/29/overview?tid=cfcdbe43-297b-4c6b-ac7e-8d7f6befb514",
"redirectIncidentId": null,
"displayName": "Multi-stage incident involving Execution & Command and control on one endpoint",
"createdDateTime": "2026-01-22T12:09:23.1433333Z",
"lastUpdateDateTime": "2026-02-25T16:29:33.1Z",
"assignedTo": "admin@contoso.com",
"classification": "truePositive",
"determination": "multiStagedAttack",
"severity": "high",
"customTags": [
"Demo"
],
"systemTags": [],
"description": "Microsoft observed Raspberry Robin worm activity spreading through infected USB devices on multiple endpoints in your environment.",
"lastModifiedBy": "API-App:admin@contoso.com",
"resolvingComment": null,
"summary": "Defender Experts has identified malicious activity. This incident has been raised for your awareness and should be investigated as usual.",
"priorityScore": 100,
"comments": []
}