Sensitive Data Discovered in the Last 24 Hours - Customized

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Id	79f296d9-e6e4-45dc-9ca7-1770955435fa
Rulename	Sensitive Data Discovered in the Last 24 Hours - Customized
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
Severity	Informational
Tactics	Discovery
Techniques	T1087
Required data connectors	MicrosoftAzurePurview
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Purview/Analytic Rules/MicrosoftPurviewSensitiveDataDiscoveredCustom.yaml
Version	1.0.1
Arm template	79f296d9-e6e4-45dc-9ca7-1770955435fa.json

KQL

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

YAML

requiredDataConnectors:
- connectorId: MicrosoftAzurePurview
  dataTypes:
  - PurviewDataSensitivityLogs
kind: Scheduled
tactics:
- Discovery
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Purview/Analytic Rules/MicrosoftPurviewSensitiveDataDiscoveredCustom.yaml
id: 79f296d9-e6e4-45dc-9ca7-1770955435fa
name: Sensitive Data Discovered in the Last 24 Hours - Customized
triggerOperator: gt
alertDetailsOverride:
  alertDisplayNameFormat: Sensitive Data Discovered in the Last 24 Hours by Microsoft Purview
  alertDescriptionFormat: Within the last 24 hours, Microsoft Purview scanned assets that contained classifications. The classifications discovered include {{Classification}}.
entityMappings:
- entityType: AzureResource
  fieldMappings:
  - columnName: SourcePath
    identifier: ResourceId
- entityType: File
  fieldMappings:
  - columnName: AssetName
    identifier: Name
- entityType: Account
  fieldMappings:
  - columnName: PurviewAccountName
    identifier: Name
queryFrequency: 1d
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'
version: 1.0.1
customDetails:
  AssetPath: AssetPath
  PurviewAccount: PurviewAccountName
  Classification: Classification
  AssetName: AssetName
  SourceRegion: SourceRegion
  LastScanTime: AssetLastScanTime
relevantTechniques:
- T1087
queryPeriod: 1d
severity: Informational
triggerThreshold: 0
query: |
  PurviewDataSensitivityLogs
  | where Classification contains "Social Security Number"
  //| where SourceRegion == "westeurope"
  //| where SourceType contains "Amazon"
  | where TimeGenerated > ago(24h)

ARM