↳ GitHub sourceAnalytics ruleHigh

Multiple scans in the network (Microsoft Defender for IoT)

Description

'This alert leverages Defender for IoT to detect multiple scans on the network indicating new devices, functionality, application misconfiguration, or malicious reconnaissance activity on the network.'
Rule type
Scheduled
Version
1.0.3
Declared status
Available
Query frequency
5m
Query period
5m
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

SecurityAlert
| where ProviderName == "IoTSecurity"
| where AlertName has "Scan"
| extend ExtendedProperties = parse_json(ExtendedProperties)
| where tostring(ExtendedProperties.isNew) == "True"
| extend DeviceId = tostring(ExtendedProperties.DeviceId), 
         SourceDeviceAddress = tostring(ExtendedProperties.SourceDeviceAddress), 
         DestDeviceAddress = tostring(ExtendedProperties.DestinationDeviceAddress), 
         RemediationSteps = tostring(parse_json(RemediationSteps)[0]), 
         Protocol = tostring(ExtendedProperties.Protocol), 
         AlertManagementUri = tostring(ExtendedProperties.AlertManagementUri)
| project
  TimeGenerated,
  DeviceId,
  ProductName,
  ProductComponentName,
  AlertSeverity,
  AlertName,
  Description,
  Protocol,
  SourceDeviceAddress,
  DestDeviceAddress,
  RemediationSteps,
  Tactics,
  Entities,
  VendorOriginalId,
  AlertLink,
  AlertManagementUri,
  Techniques

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
493916d5-a094-4bfa-bdd1-d983a063ea3d
Additional source files 2Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Analytic Rules/IoTNetworkScanning.yamlsource ↗Solutions/IoTOTThreatMonitoringwithDefenderforIoT/Data/Solution_IoTOTThreatMonitoringwithDefenderforIoT.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.