Sensitive Data Discovered in the Last 24 Hours

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Id	7ae7e8b0-07e9-43cb-b783-b04082f09060
Rulename	Sensitive Data Discovered in the Last 24 Hours
Description	Identifies all classifications that have been detected on assets during a scan by Microsoft Purview within the last 24 hours.
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/MicrosoftPurviewSensitiveDataDiscovered.yaml
Version	1.0.1
Arm template	7ae7e8b0-07e9-43cb-b783-b04082f09060.json

KQL

PurviewDataSensitivityLogs
| where Classification != "[]" 
| where TimeGenerated > ago(24h)

YAML

name: Sensitive Data Discovered in the Last 24 Hours
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}}.
id: 7ae7e8b0-07e9-43cb-b783-b04082f09060
description: |
    'Identifies all classifications that have been detected on assets during a scan by Microsoft Purview within the last 24 hours.'
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: SourcePath
    identifier: ResourceId
  entityType: AzureResource
- fieldMappings:
  - columnName: AssetName
    identifier: Name
  entityType: File
- fieldMappings:
  - columnName: PurviewAccountName
    identifier: Name
  entityType: Account
version: 1.0.1
triggerOperator: gt
query: |
  PurviewDataSensitivityLogs
  | where Classification != "[]" 
  | where TimeGenerated > ago(24h)  
tactics:
- Discovery
kind: Scheduled
queryFrequency: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Purview/Analytic Rules/MicrosoftPurviewSensitiveDataDiscovered.yaml
severity: Informational
queryPeriod: 1d
requiredDataConnectors:
- dataTypes:
  - PurviewDataSensitivityLogs
  connectorId: MicrosoftAzurePurview
customDetails:
  AssetName: AssetName
  SourceRegion: SourceRegion
  Classification: Classification
  PurviewAccount: PurviewAccountName
  LastScanTime: AssetLastScanTime
  AssetPath: AssetPath
relevantTechniques:
- T1087

ARM