Sensitive Data Discovered in the Last 24 Hours - Customized

PurviewDataSensitivityLogs
| where Classification contains "Social Security Number"
//| where SourceRegion == "westeurope"
//| where SourceType contains "Amazon"
| where TimeGenerated > ago(24h)

description: |
  'Customized query used to identify specific classifications and parameters that have been discovered on assets in the last 24 hours by Microsoft Purview. By default, the query identifies Social Security Numbers detected, but the specific classification monitored along with other data fields can be adjusted. A list of supported Microsoft Purview classifications can be found here: https://docs.microsoft.com/azure/purview/supported-classifications'
tactics:
- Discovery
name: Sensitive Data Discovered in the Last 24 Hours - Customized
version: 1.0.1
requiredDataConnectors:
- connectorId: MicrosoftAzurePurview
  dataTypes:
  - PurviewDataSensitivityLogs
queryFrequency: 1d
id: 79f296d9-e6e4-45dc-9ca7-1770955435fa
kind: Scheduled
query: |
  PurviewDataSensitivityLogs
  | where Classification contains "Social Security Number"
  //| where SourceRegion == "westeurope"
  //| where SourceType contains "Amazon"
  | where TimeGenerated > ago(24h)
customDetails:
  Classification: Classification
  AssetPath: AssetPath
  PurviewAccount: PurviewAccountName
  LastScanTime: AssetLastScanTime
  AssetName: AssetName
  SourceRegion: SourceRegion
triggerOperator: gt
entityMappings:
- fieldMappings:
  - identifier: ResourceId
    columnName: SourcePath
  entityType: AzureResource
- fieldMappings:
  - identifier: Name
    columnName: AssetName
  entityType: File
- fieldMappings:
  - identifier: Name
    columnName: PurviewAccountName
  entityType: Account
triggerThreshold: 0
alertDetailsOverride:
  alertDescriptionFormat: Within the last 24 hours, Microsoft Purview scanned assets that contained classifications. The classifications discovered include {{Classification}}.
  alertDisplayNameFormat: Sensitive Data Discovered in the Last 24 Hours by Microsoft Purview
queryPeriod: 1d
severity: Informational
relevantTechniques:
- T1087
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft%20Purview/Analytic%20Rules/MicrosoftPurviewSensitiveDataDiscoveredCustom.yaml

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/79f296d9-e6e4-45dc-9ca7-1770955435fa')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/79f296d9-e6e4-45dc-9ca7-1770955435fa')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Within the last 24 hours, Microsoft Purview scanned assets that contained classifications. The classifications discovered include {{Classification}}.",
          "alertDisplayNameFormat": "Sensitive Data Discovered in the Last 24 Hours by Microsoft Purview"
        },
        "alertRuleTemplateName": "79f296d9-e6e4-45dc-9ca7-1770955435fa",
        "customDetails": {
          "AssetName": "AssetName",
          "AssetPath": "AssetPath",
          "Classification": "Classification",
          "LastScanTime": "AssetLastScanTime",
          "PurviewAccount": "PurviewAccountName",
          "SourceRegion": "SourceRegion"
        },
        "description": "'Customized query used to identify specific classifications and parameters that have been discovered on assets in the last 24 hours by Microsoft Purview. By default, the query identifies Social Security Numbers detected, but the specific classification monitored along with other data fields can be adjusted. A list of supported Microsoft Purview classifications can be found here: https://docs.microsoft.com/azure/purview/supported-classifications'\n",
        "displayName": "Sensitive Data Discovered in the Last 24 Hours - Customized",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "AzureResource",
            "fieldMappings": [
              {
                "columnName": "SourcePath",
                "identifier": "ResourceId"
              }
            ]
          },
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "AssetName",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "PurviewAccountName",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft%20Purview/Analytic%20Rules/MicrosoftPurviewSensitiveDataDiscoveredCustom.yaml",
        "query": "PurviewDataSensitivityLogs\n| where Classification contains \"Social Security Number\"\n//| where SourceRegion == \"westeurope\"\n//| where SourceType contains \"Amazon\"\n| where TimeGenerated > ago(24h)\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "Informational",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Discovery"
        ],
        "techniques": [
          "T1087"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}