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title description ms.service ms.author author ms.localizationpriority manager audience ms.collection ms.topic ms.subservice ms.custom search.appverid ms.date
Get alert related user information
Learn how to use the Get alert-related user information API to retrieve the user related to a specific alert in Microsoft Defender for Endpoint.
defender-endpoint
deniseb
denisebmsft
medium
deniseb
ITPro
m365-security
tier3
must-keep
reference
reference
api
met150
12/18/2020

Get alert related user information API

[!INCLUDE Microsoft Defender XDR rebranding]

Applies to:

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[!includeMicrosoft Defender for Endpoint API URIs for US Government]

[!includeImprove request performance]

API description

Retrieves the User related to a specific alert.

Limitations

  • You can query on alerts last updated according to your configured retention period.
  • Rate limitations for this API are 100 calls per minute and 1500 calls per hour.

Permissions

One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Use Microsoft Defender for Endpoint 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 device associated with the alert, based on device group settings (See Create and manage device groups for more information)

Device group creation is supported in Defender for Endpoint Plan 1 and Plan 2.

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 example

Here's an example of the request.

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

Response example

Here is an example of the response.

{
    "@odata.context": "https://api.securitycenter.microsoft.com/api/$metadata#Users/$entity",
    "id": "contoso\\user1",
    "accountName": "user1",
    "accountDomain": "contoso",
    "accountSid": "S-1-5-21-72051607-1745760036-109187956-93922",
    "firstSeen": "2019-12-08T06:33:39Z",
    "lastSeen": "2020-01-05T06:58:34Z",
    "mostPrevalentMachineId": "0111b647235c26159bec3e5eb6c8c3a0cc3ab766",
    "leastPrevalentMachineId": "0111b647235c26159bec3e5eb6c8c3a0cc3ab766",
    "logonTypes": "Network",
    "logOnMachinesCount": 1,
    "isDomainAdmin": false,
    "isOnlyNetworkUser": false
}

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