↳ GitHub sourceAnalytics ruleMedium

Cisco Duo - Unexpected authentication factor

Description

'Detects when unexpected authentication factor used.'
Rule type
Scheduled
Version
1.0.1
Declared status
Available
Query frequency
1h
Query period
1h
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.

let allowed_auth_f = dynamic(['duo_push', 'duo_mobile_passcode']);
DuoAuthentication_CL
| where Result =~ 'success'
| where Factor !in~ (allowed_auth_f)
| extend IPCustomEntity = AccessDeviceIp, AccountCustomEntity = UserName

Declared entities

IPAccount

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
16c91a2c-17ad-4985-a9ad-4a4f1cb11830
Additional source files 2Solutions/CiscoDuoSecurity/Analytic Rules/CiscoDuoUnexpectedAuthFactor.yamlsource ↗Solutions/CiscoDuoSecurity/Data/Solution_CiscoDuoSecurity.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.