Microsoft Sentinel Analytic Rules
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Theom - Healthcare data exposed

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Id078b5614-54c7-41a6-8289-5b5870e4c0f9
RulenameTheom - Healthcare data exposed
Description“Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0015 (Theom has observed healthcare data in a data store that is publicly exposed. As per this requirement, use this information to apply data access control lists or access permissions to secure your data)”
SeverityHigh
TacticsCollection
TechniquesT1213
T1530
Required data connectorsTheom
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0015_Healthcare_data_exposed.yaml
Version1.0.2
Arm template078b5614-54c7-41a6-8289-5b5870e4c0f9.json
Deploy To Azure
TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0015" and (priority_s == "P1" or priority_s == "P2")
relevantTechniques:
- T1213
- T1530
name: Theom - Healthcare data exposed
requiredDataConnectors:
- dataTypes:
  - TheomAlerts_CL
  connectorId: Theom
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: customProps_AssetName_s
  entityType: CloudApplication
- fieldMappings:
  - identifier: Url
    columnName: deepLink_s
  entityType: URL
triggerThreshold: 0
id: 078b5614-54c7-41a6-8289-5b5870e4c0f9
tactics:
- Collection
version: 1.0.2
queryPeriod: 5m
alertDetailsOverride:
  alertDisplayNameFormat: 'Theom Alert ID: {{id_s}} '
  alertDescriptionFormat: |2

    Summary: {{summary_s}}  
    Additional info: {{details_s}}
    Please investigate further on Theom UI at {{deepLink_s}}
triggerOperator: gt
kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0015_Healthcare_data_exposed.yaml
queryFrequency: 5m
severity: High
status: Available
description: |
    "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0015 (Theom has observed healthcare data in a data store that is publicly exposed. As per this requirement, use this information to apply data access control lists or access permissions to secure your data)"
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0015" and (priority_s == "P1" or priority_s == "P2")  
{
  "$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/078b5614-54c7-41a6-8289-5b5870e4c0f9')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/078b5614-54c7-41a6-8289-5b5870e4c0f9')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "\nSummary: {{summary_s}}  \nAdditional info: {{details_s}}\nPlease investigate further on Theom UI at {{deepLink_s}}\n",
          "alertDisplayNameFormat": "Theom Alert ID: {{id_s}} "
        },
        "alertRuleTemplateName": "078b5614-54c7-41a6-8289-5b5870e4c0f9",
        "customDetails": null,
        "description": "\"Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0015 (Theom has observed healthcare data in a data store that is publicly exposed. As per this requirement, use this information to apply data access control lists or access permissions to secure your data)\"\n",
        "displayName": "Theom - Healthcare data exposed",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "customProps_AssetName_s",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "deepLink_s",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0015_Healthcare_data_exposed.yaml",
        "query": "TheomAlerts_CL\n  | where customProps_RuleId_s == \"TRIS0015\" and (priority_s == \"P1\" or priority_s == \"P2\")\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection"
        ],
        "techniques": [
          "T1213",
          "T1530"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}