Okta MFA Reset or Deactivated — Sigma Rule

Rule metadata and linked tags

Author: Austin Songer @austinsonger. Source status: test; severity: medium. Source dates: 2021-09-21 / 2026-04-27.

{
  "product": "okta",
  "service": "okta"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 851aa4054a0e18f55fac2ce8666625864af44f1f7384c2670e15524867c6e0fc

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Okta MFA Reset or Deactivated
id: 50e068d7-1e6b-4054-87e5-0a592c40c7e0
status: test
description: Detects when an attempt at deactivating  or resetting MFA.
references:
    - https://developer.okta.com/docs/reference/api/system-log/
    - https://developer.okta.com/docs/reference/api/event-types/
author: Austin Songer @austinsonger
date: 2021-09-21
modified: 2026-04-27
tags:
    - attack.persistence
    - attack.credential-access
    - attack.defense-impairment
    - attack.t1556.006
logsource:
    product: okta
    service: okta
detection:
    selection:
        eventType:
            - user.mfa.factor.deactivate
            - user.mfa.factor.reset_all
    condition: selection
falsepositives:
    - If a MFA reset or deactivated was performed by a system administrator.
level: medium

Original YAML and metadata in JSON

False positives

• If a MFA reset or deactivated was performed by a system administrator.

Source references

• https://developer.okta.com/docs/reference/api/system-log/
• https://developer.okta.com/docs/reference/api/event-types/