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