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List alerts API

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Applies to:

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Note

If you are a US Government customer, please use the URIs listed in Microsoft Defender for Endpoint for US Government customers.

Tip

For better performance, you can use server closer to your geo location:

  • us.api.security.microsoft.com
  • eu.api.security.microsoft.com
  • uk.api.security.microsoft.com
  • au.api.security.microsoft.com
  • swa.api.security.microsoft.com
  • ina.api.security.microsoft.com

API description

Retrieves a collection of Alerts.

Supports OData V4 queries.

OData supported operators:

  • $filter on: alertCreationTime, lastUpdateTime, incidentId, InvestigationId, id, asssignedTo, detectionSource, lastEventTime, status, severity and category properties.
  • $top with max value of 10,000
  • $skip
  • $expand of evidence
  • See examples at OData queries with Microsoft Defender for Endpoint.

Limitations

  1. You can get alerts last updated according to your configured retention period.

  2. Maximum page size is 10,000.

  3. Rate limitations for this API are 100 calls per minute and 1,500 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 Alert.Read.All Read all alerts
Application Alert.ReadWrite.All Read and write all alerts
Delegated (work or school account) Alert.Read Read alerts
Delegated (work or school account) Alert.ReadWrite Read and write alerts

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 response includes only alerts that are associated with devices that the user can access, 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

Request headers

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

Request body

Empty

Response

If successful, this method returns 200 OK, and a list of alert objects in the response body.

Example 1 - Default

Request

Here's an example of the request.

GET https://api.securitycenter.microsoft.com/api/alerts

Response

Here's an example of the response.

Note

The response list shown here may be truncated for brevity. All alerts will be returned from an actual call.

{
    "@odata.context": "https://api.securitycenter.microsoft.com/api/$metadata#Alerts",
    "value": [
        {
            "id": "da637308392288907382_-880718168",
            "incidentId": 7587,
            "investigationId": 723156,
            "assignedTo": "[email protected]",
            "severity": "Low",
            "status": "New",
            "classification": "TruePositive",
            "determination": null,
            "investigationState": "Queued",
            "detectionSource": "WindowsDefenderAv",
            "category": "SuspiciousActivity",
            "threatFamilyName": "Meterpreter",
            "title": "Suspicious 'Meterpreter' behavior was detected",
            "description": "Malware and unwanted software are undesirable applications that perform annoying, disruptive, or harmful actions on affected machines. Some of these undesirable applications can replicate and spread from one machine to another. Others are able to receive commands from remote attackers and perform activities associated with cyber attacks.\n\nA malware is considered active if it is found running on the machine or it already has persistence mechanisms in place. Active malware detections are assigned higher severity ratings.\n\nBecause this malware was active, take precautionary measures and check for residual signs of infection.",
            "alertCreationTime": "2020-07-20T10:53:48.7657932Z",
            "firstEventTime": "2020-07-20T10:52:17.6654369Z",
            "lastEventTime": "2020-07-20T10:52:18.1362905Z",
            "lastUpdateTime": "2020-07-20T10:53:50.19Z",
            "resolvedTime": null,
            "machineId": "12ee6dd8c833c8a052ea231ec1b19adaf497b625",
            "computerDnsName": "temp123.middleeast.corp.microsoft.com",
            "rbacGroupName": "MiddleEast",
            "aadTenantId": "a839b112-1253-6432-9bf6-94542403f21c",
            "threatName": null,
            "mitreTechniques": [
                "T1064",
                "T1085",
                "T1220"
            ],
            "relatedUser": {
                "userName": "temp123",
                "domainName": "DOMAIN"
            },
            "comments": [
                {
                    "comment": "test comment for docs",
                    "createdBy": "[email protected]",
                    "createdTime": "2020-07-21T01:00:37.8404534Z"
                }
            ],
            "evidence": []
        }
        ...
    ]
}

Example 2 - Get 10 latest Alerts with related Evidence

Request

Here's an example of the request.

GET https://api.securitycenter.microsoft.com/api/alerts?$top=10&$expand=evidence

Response

Here's an example of the response.

Note

The response list shown here may be truncated for brevity. All alerts will be returned from an actual call.

{
    "@odata.context": "https://api.securitycenter.microsoft.com/api/$metadata#Alerts",
    "value": [
        {
            "id": "da637472900382838869_1364969609",
            "incidentId": 1126093,
            "investigationId": null,
            "assignedTo": null,
            "severity": "Low",
            "status": "New",
            "classification": null,
            "determination": null,
            "investigationState": "Queued",
            "detectionSource": "WindowsDefenderAtp",
            "detectorId": "17e10bbc-3a68-474a-8aad-faef14d43952",
            "category": "Execution",
            "threatFamilyName": null,
            "title": "Low-reputation arbitrary code executed by signed executable",
            "description": "Binaries signed by Microsoft can be used to run low-reputation arbitrary code. This technique hides the execution of malicious code within a trusted process. As a result, the trusted process might exhibit suspicious behaviors, such as opening a listening port or connecting to a command-and-control (C&C) server.",
            "alertCreationTime": "2021-01-26T20:33:57.7220239Z",
            "firstEventTime": "2021-01-26T20:31:32.9562661Z",
            "lastEventTime": "2021-01-26T20:31:33.0577322Z",
            "lastUpdateTime": "2021-01-26T20:33:59.2Z",
            "resolvedTime": null,
            "machineId": "111e6dd8c833c8a052ea231ec1b19adaf497b625",
            "computerDnsName": "temp123.middleeast.corp.microsoft.com",
            "rbacGroupName": "A",
            "aadTenantId": "a839b112-1253-6432-9bf6-94542403f21c",
            "threatName": null,
            "mitreTechniques": [
                "T1064",
                "T1085",
                "T1220"
            ],
            "relatedUser": {
                "userName": "temp123",
                "domainName": "DOMAIN"
            },
            "comments": [
                {
                    "comment": "test comment for docs",
                    "createdBy": "[email protected]",
                    "createdTime": "2021-01-26T01:00:37.8404534Z"
                }
            ],
            "evidence": [
                {
                    "entityType": "User",
                    "evidenceCreationTime": "2021-01-26T20:33:58.42Z",
                    "sha1": null,
                    "sha256": null,
                    "fileName": null,
                    "filePath": null,
                    "processId": null,
                    "processCommandLine": null,
                    "processCreationTime": null,
                    "parentProcessId": null,
                    "parentProcessCreationTime": null,
                    "parentProcessFileName": null,
                    "parentProcessFilePath": null,
                    "ipAddress": null,
                    "url": null,
                    "registryKey": null,
                    "registryHive": null,
                    "registryValueType": null,
                    "registryValue": null,
                    "accountName": "name",
                    "domainName": "DOMAIN",
                    "userSid": "S-1-5-21-11111607-1111760036-109187956-75141",
                    "aadUserId": "11118379-2a59-1111-ac3c-a51eb4a3c627",
                    "userPrincipalName": "[email protected]",
                    "detectionStatus": null
                },
                {
                    "entityType": "Process",
                    "evidenceCreationTime": "2021-01-26T20:33:58.6133333Z",
                    "sha1": "ff836cfb1af40252bd2a2ea843032e99a5b262ed",
                    "sha256": "a4752c71d81afd3d5865d24ddb11a6b0c615062fcc448d24050c2172d2cbccd6",
                    "fileName": "rundll32.exe",
                    "filePath": "C:\\Windows\\SysWOW64",
                    "processId": 3276,
                    "processCommandLine": "rundll32.exe  c:\\temp\\suspicious.dll,RepeatAfterMe",
                    "processCreationTime": "2021-01-26T20:31:32.9581596Z",
                    "parentProcessId": 8420,
                    "parentProcessCreationTime": "2021-01-26T20:31:32.9004163Z",
                    "parentProcessFileName": "rundll32.exe",
                    "parentProcessFilePath": "C:\\Windows\\System32",
                    "ipAddress": null,
                    "url": null,
                    "registryKey": null,
                    "registryHive": null,
                    "registryValueType": null,
                    "registryValue": null,
                    "accountName": null,
                    "domainName": null,
                    "userSid": null,
                    "aadUserId": null,
                    "userPrincipalName": null,
                    "detectionStatus": "Detected"
                },
                {
                    "entityType": "File",
                    "evidenceCreationTime": "2021-01-26T20:33:58.42Z",
                    "sha1": "8563f95b2f8a284fc99da44500cd51a77c1ff36c",
                    "sha256": "dc0ade0c95d6db98882bc8fa6707e64353cd6f7767ff48d6a81a6c2aef21c608",
                    "fileName": "suspicious.dll",
                    "filePath": "c:\\temp",
                    "processId": null,
                    "processCommandLine": null,
                    "processCreationTime": null,
                    "parentProcessId": null,
                    "parentProcessCreationTime": null,
                    "parentProcessFileName": null,
                    "parentProcessFilePath": null,
                    "ipAddress": null,
                    "url": null,
                    "registryKey": null,
                    "registryHive": null,
                    "registryValueType": null,
                    "registryValue": null,
                    "accountName": null,
                    "domainName": null,
                    "userSid": null,
                    "aadUserId": null,
                    "userPrincipalName": null,
                    "detectionStatus": "Detected"
                }
            ]
        },
        ...
    ]
}

See also

OData queries with Microsoft Defender for Endpoint

Tip

Do you want to learn more? Engage with the Microsoft Security community in our Tech Community: Microsoft Defender for Endpoint Tech Community.