Suspicious End User Consent Blocked (via auditlogs)

This rule detects when end user consent is blocked due to risk-based consent.

SigmamediumCloudv1
sigma
title: Suspicious End User Consent Blocked (via auditlogs)
id: 6e7a08b9-7a5e-5f68-aed0-00dd78d6bfdb
status: stable
description: This rule detects when end user consent is blocked due to risk-based consent.
references:
    - https://attack.mitre.org/techniques/T1528/
    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-applications#end-user-stopped-due-to-risk-based-consent
author: Huntrule Team
date: 2026-03-12
tags:
    - attack.credential-access
    - attack.t1528
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        failure_status_reason: 'Microsoft.online.Security.userConsentBlockedForRiskyAppsExceptions'
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.