{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.security.alert",
  "title": "microsoft.graph.security.alert",
  "allOf": [
    {
      "$ref": "#/components/schemas/microsoft.graph.entity"
    },
    {
      "title": "alert",
      "required": [
        "@odata.type"
      ],
      "type": "object",
      "properties": {
        "actorDisplayName": {
          "type": "string",
          "description": "The adversary or activity group that is associated with this alert.",
          "nullable": true
        },
        "additionalData": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.dictionary"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "A collection of other alert properties, including user-defined properties. Any custom details defined in the alert, and any dynamic content in the alert details, are stored here."
        },
        "alertPolicyId": {
          "type": "string",
          "description": "The ID of the policy that generated the alert, and populated when there is a specific policy that generated the alert, whether configured by a customer or a built-in policy.",
          "nullable": true
        },
        "alertWebUrl": {
          "type": "string",
          "description": "URL for the Microsoft 365 Defender portal alert page.",
          "nullable": true
        },
        "assignedTo": {
          "type": "string",
          "description": "Owner of the alert, or null if no owner is assigned.",
          "nullable": true
        },
        "category": {
          "type": "string",
          "description": "The attack kill-chain category that the alert belongs to. Aligned with the MITRE ATT&CK framework.",
          "nullable": true
        },
        "classification": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.alertClassification"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "Specifies whether the alert represents a true threat. The possible values are: unknown, falsePositive, truePositive, informationalExpectedActivity, unknownFutureValue."
        },
        "comments": {
          "type": "array",
          "items": {
            "$ref": "#/components/schemas/microsoft.graph.security.alertComment"
          },
          "description": "Array of comments created by the Security Operations (SecOps) team during the alert management process."
        },
        "createdDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "Time when Microsoft 365 Defender created the alert.",
          "format": "date-time",
          "nullable": true
        },
        "customDetails": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.dictionary"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "User defined custom fields with string values."
        },
        "description": {
          "type": "string",
          "description": "String value describing each alert.",
          "nullable": true
        },
        "detectionSource": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.detectionSource"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "Detection technology or sensor that identified the notable component or activity. The possible values are: unknown, microsoftDefenderForEndpoint, antivirus, smartScreen, customTi, microsoftDefenderForOffice365, automatedInvestigation, microsoftThreatExperts, customDetection, microsoftDefenderForIdentity, cloudAppSecurity, microsoft365Defender, azureAdIdentityProtection, manual, microsoftDataLossPrevention, appGovernancePolicy, appGovernanceDetection, unknownFutureValue, microsoftDefenderForCloud, microsoftDefenderForIoT, microsoftDefenderForServers, microsoftDefenderForStorage, microsoftDefenderForDNS, microsoftDefenderForDatabases, microsoftDefenderForContainers, microsoftDefenderForNetwork, microsoftDefenderForAppService, microsoftDefenderForKeyVault, microsoftDefenderForResourceManager, microsoftDefenderForApiManagement, microsoftSentinel, nrtAlerts, scheduledAlerts, microsoftDefenderThreatIntelligenceAnalytics, builtInMl, microsoftThreatIntelligence, microsoftDefenderForAIServices, securityCopilot. Use the Prefer: include-unknown-enum-members request header to get the following values in this evolvable enum: microsoftDefenderForCloud, microsoftDefenderForIoT, microsoftDefenderForServers, microsoftDefenderForStorage, microsoftDefenderForDNS, microsoftDefenderForDatabases, microsoftDefenderForContainers, microsoftDefenderForNetwork, microsoftDefenderForAppService, microsoftDefenderForKeyVault, microsoftDefenderForResourceManager, microsoftDefenderForApiManagement, microsoftSentinel, nrtAlerts, scheduledAlerts, microsoftDefenderThreatIntelligenceAnalytics, builtInMl, microsoftThreatIntelligence, microsoftDefenderForAIServices, securityCopilot."
        },
        "detectorId": {
          "type": "string",
          "description": "The ID of the detector that triggered the alert.",
          "nullable": true
        },
        "determination": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.alertDetermination"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "Specifies the result of the investigation, whether the alert represents a true attack and if so, the nature of the attack. The possible values are: unknown, apt, malware, securityPersonnel, securityTesting, unwantedSoftware, other, multiStagedAttack, compromisedAccount, phishing, maliciousUserActivity, notMalicious, notEnoughDataToValidate, confirmedUserActivity, lineOfBusinessApplication, unknownFutureValue."
        },
        "evidence": {
          "type": "array",
          "items": {
            "$ref": "#/components/schemas/microsoft.graph.security.alertEvidence"
          },
          "description": "Collection of evidence related to the alert."
        },
        "firstActivityDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "The earliest activity associated with the alert.",
          "format": "date-time",
          "nullable": true
        },
        "incidentId": {
          "type": "string",
          "description": "Unique identifier to represent the incident this alert resource is associated with.",
          "nullable": true
        },
        "incidentWebUrl": {
          "type": "string",
          "description": "URL for the incident page in the Microsoft 365 Defender portal.",
          "nullable": true
        },
        "investigationState": {
          "anyOf": [
            {
              "$ref": "#/components/schemas/microsoft.graph.security.investigationState"
            },
            {
              "type": "object",
              "nullable": true
            }
          ],
          "description": "Information on the current status of the investigation. The possible values are: unknown, terminated, successfullyRemediated, benign, failed, partiallyRemediated, running, pendingApproval, pendingResource, queued, innerFailure, preexistingAlert, unsupportedOs, unsupportedAlertType, suppressedAlert, partiallyInvestigated, terminatedByUser, terminatedBySystem, unknownFutureValue."
        },
        "lastActivityDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "The oldest activity associated with the alert.",
          "format": "date-time",
          "nullable": true
        },
        "lastUpdateDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "Time when the alert was last updated at Microsoft 365 Defender.",
          "format": "date-time",
          "nullable": true
        },
        "mitreTechniques": {
          "type": "array",
          "items": {
            "type": "string",
            "nullable": true
          },
          "description": "The attack techniques, as aligned with the MITRE ATT&CK framework."
        },
        "productName": {
          "type": "string",
          "description": "The name of the product which published this alert.",
          "nullable": true
        },
        "providerAlertId": {
          "type": "string",
          "description": "The ID of the alert as it appears in the security provider product that generated the alert.",
          "nullable": true
        },
        "recommendedActions": {
          "type": "string",
          "description": "Recommended response and remediation actions to take in the event this alert was generated.",
          "nullable": true
        },
        "resolvedDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "Time when the alert was resolved.",
          "format": "date-time",
          "nullable": true
        },
        "serviceSource": {
          "$ref": "#/components/schemas/microsoft.graph.security.serviceSource"
        },
        "severity": {
          "$ref": "#/components/schemas/microsoft.graph.security.alertSeverity"
        },
        "status": {
          "$ref": "#/components/schemas/microsoft.graph.security.alertStatus"
        },
        "systemTags": {
          "type": "array",
          "items": {
            "type": "string",
            "nullable": true
          },
          "description": "The system tags associated with the alert."
        },
        "tenantId": {
          "type": "string",
          "description": "The Microsoft Entra tenant the alert was created in.",
          "nullable": true
        },
        "threatDisplayName": {
          "type": "string",
          "description": "The threat associated with this alert.",
          "nullable": true
        },
        "threatFamilyName": {
          "type": "string",
          "description": "Threat family associated with this alert.",
          "nullable": true
        },
        "title": {
          "type": "string",
          "description": "Brief identifying string value describing the alert.",
          "nullable": true
        },
        "@odata.type": {
          "type": "string"
        }
      }
    }
  ],
  "x-ms-discriminator-value": "#microsoft.graph.security.alert"
}