windows-itpro-docs/windows/security/threat-protection/microsoft-defender-atp/get-alert-related-user-info.md

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title	description	keywords	search.product	ms.prod	ms.mktglfcycl	ms.sitesec	ms.pagetype	ms.author	author	ms.localizationpriority	manager	audience	ms.collection	ms.topic
Get alert related user information	Retrieves the user associated to a specific alert.	apis, graph api, supported apis, get, alert, information, related, user	eADQiWindows 10XVcnh	w10	deploy	library	security	macapara	mjcaparas	medium	dansimp	ITPro	M365-security-compliance	article

Get alert related user information API

Applies to:

• Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)

Retrieves the user associated to a specific alert.

Permissions

One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Use Microsoft Defender ATP APIs

Permission type	Permission	Permission display name
Application	User.Read.All	'Read user profiles'
Delegated (work or school account)	User.Read.All	'Read user profiles'

Note

When obtaining a token using user credentials:

• The user needs to have at least the following role permission: 'View Data' (See Create and manage roles for more information)
• The user needs to have access to the machine associated with the alert, based on machine group settings (See Create and manage machine groups for more information)

HTTP request

GET /api/alerts/{id}/user

Request headers

Name	Type	Description
Authorization	String	Bearer {token}. Required.

Request body

Empty

Response

If successful and alert and a user exists - 200 OK with user in the body. If alert or user not found - 404 Not Found.

Example

Request

Here is an example of the request.

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GET https://api.securitycenter.windows.com/api/alerts/636688558380765161_2136280442/user

Response

Here is an example of the response.

HTTP/1.1 200 OK
Content-type: application/json
{
    "@odata.context": "https://api.securitycenter.windows.com/api/$metadata#Users/$entity",
    "id": "contoso\\user1",
    "firstSeen": "2018-08-02T00:00:00Z",
    "lastSeen": "2018-08-04T00:00:00Z",
    "mostPrevalentMachineId": null,
    "leastPrevalentMachineId": null,
    "logonTypes": "Network",
    "logOnMachinesCount": 3,
    "isDomainAdmin": false,
    "isOnlyNetworkUser": null
}