Detection rules › Sigma

Okta User Account Locked Out

Status
test
Severity
medium
Log source
product okta, service okta
Author
Austin Songer @austinsonger
Source
github.com/SigmaHQ/sigma

Detects when an user account is locked out.

MITRE ATT&CK coverage

TacticTechniques
ImpactT1531 Account Access Removal

Rule body yaml

title: Okta User Account Locked Out
id: 14701da0-4b0f-4ee6-9c95-2ffb4e73bb9a
status: test
description: Detects when an user account is locked out.
references:
    - https://developer.okta.com/docs/reference/api/system-log/
    - https://developer.okta.com/docs/reference/api/event-types/
author: Austin Songer @austinsonger
date: 2021-09-12
modified: 2026-04-27
tags:
    - attack.impact
    - attack.t1531
logsource:
    product: okta
    service: okta
detection:
    selection:
        displayMessage: Max sign in attempts exceeded
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    displayMessage: Max sign in attempts exceeded

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
displayMessageeq
  • Max sign in attempts exceeded