Suspicious Disabled MFA to Bypass Authentication Mechanisms (via auditlogs)

title: Suspicious Disabled MFA to Bypass Authentication Mechanisms (via auditlogs)
id: b4c716e6-a5a0-54a9-8fed-79b1a7bbc3c8
status: stable
description: This rule detects detection for when multi factor authentication has been disabled, which might indicate a hostile behavior to bypass authentication mechanisms.
references:
    - https://attack.mitre.org/techniques/T1556/
    - https://learn.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-userstates
    - https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory
    - https://research.splunk.com/cloud/482dd42a-acfa-486b-a0bb-d6fcda27318e/
    - https://analyticsrules.exchange/analyticrules/65c78944-930b-4cae-bd79-c3664ae30ba7/
    - https://www.elastic.co/docs/reference/security/prebuilt-rules/rules/integrations/azure/persistence_entra_id_mfa_disabled_for_user
author: 'Huntrule Team'
date: 2026-04-03
tags:
    - attack.credential-access
    - attack.persistence
    - attack.defense-impairment
    - attack.t1556
logsource:
    product: azure
    service: auditlogs
detection:
    selection:
        operationName: 'Disable Strong Authentication'
        properties.result: 'success'
    condition: selection
falsepositives:
    - Unknown
level: medium