detection.wiki

Detection rules › Sigma

Okta Unauthorized Access to App

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

Detects when unauthorized access to app occurs.

Known false positives

  • User might of believe that they had access.

MITRE ATT&CK coverage

TacticTechniques
ImpactNo specific technique

Telemetry coverage

PlatformRecord / event type
OktaSystem Log event type app.generic.unauth_app_access_attempt: Unauthorized app access attempted

Rule body

title: Okta Unauthorized Access to App
id: 6cc2b61b-d97e-42ef-a9dd-8aa8dc951657
status: test
description: Detects when unauthorized access to app occurs.
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
logsource:
    product: okta
    service: okta
detection:
    selection:
        displayMessage: User attempted unauthorized access to app
    condition: selection
falsepositives:
    - User might of believe that they had access.
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    displayMessage: User attempted unauthorized access to app

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
displayMessageeq
  • User attempted unauthorized access to app
field:"displayMessage" kind:eq value:"User attempted unauthorized access to app"