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Batch update alerts

  • Applies to: Microsoft Defender for Endpoint, Microsoft Defender for Endpoint Plan 1

API description

Updates properties of a batch of existing Alerts.

Submission of comment is available with or without updating properties.

Updatable properties are: status, determination, classification, and assignedTo.

Limitations

  • You can update alerts that are available in the API. For more information, see List Alerts.
  • Rate limitations for this API are 10 calls per minute and 500 calls per hour.

Permissions

When obtaining a token using user credentials:

  • The user needs to have at least the following role permission: 'Alerts investigation'. For more information, see Create and manage roles.

  • The user needs to have access to the device associated with the alert, based on device group settings. For more information, see Create and manage device groups.

One of the following permissions is required to call this API. For more information on how to choose permissions, see Use Microsoft Defender for Endpoint APIs

Permission type Permission Permission display name
Application Alert.ReadWrite.All 'Read and write all alerts'
Delegated (work or school account) Alert.ReadWrite 'Read and write alerts'

HTTP request

POST /api/alerts/batchUpdate

Request headers

Name Type Description
Authorization String Bearer {token}. Required.
Content-Type String application/json. Required.

Request body

In the request body, supply the IDs of the alerts to be updated and the values of the relevant fields that you wish to update for these alerts.

Existing properties that aren't included in the request body will maintain their previous values or be recalculated based on changes to other property values.

For best performance you shouldn't include existing values that haven't changed.

Property Type Description
alertIds List<String> A list of the IDs of the alerts to be updated. Required
status String Specifies the updated status of the specified alerts. The property values are: 'New', 'InProgress' and 'Resolved'.
assignedTo String Owner of the specified alerts
classification String Specifies the specification of the specified alerts. The property values are: TruePositive, Informational, expected activity, and FalsePositive.
determination String Specifies the determination of the specified alerts.

Possible determination values for each classification are:

  • True positive: Multistage attack (MultiStagedAttack), Malicious user activity (MaliciousUserActivity), Compromised account (CompromisedUser) – consider changing the enum name in public API accordingly, Malware (Malware), Phishing (Phishing), Unwanted software (UnwantedSoftware), and Other (Other).
  • Informational, expected activity: Security test (SecurityTesting), Line-of-business application (LineOfBusinessApplication), Confirmed activity (ConfirmedUserActivity) - consider changing the enum name in public API accordingly, and Other (Other).
  • False positive: Not malicious (Clean) - consider changing the enum name in public API accordingly, Not enough data to validate (InsufficientData), and Other (Other).
    		•
    comment String Comment to be added to the specified alerts.

    Note

    Around August 29, 2022, previously supported alert determination values ('Apt' and 'SecurityPersonnel') will be deprecated and no longer available via the API.

    Response

    If successful, this method returns 200 OK, with an empty response body.

    Example

    Request

    Here's an example of the request.

    POST https://api.securitycenter.microsoft.com/api/alerts/batchUpdate

    {
    "alertIds": ["da637399794050273582_760707377", "da637399989469816469_51697947354"],
    "status": "Resolved",
    "assignedTo": "secop2@contoso.com",
    "classification": "FalsePositive",
    "determination": "Malware",
    "comment": "Resolve my alert and assign to secop2"
}
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