Okta: User reports suspicious activity on their own account via end-user activity report event

Flags Okta end-user self-submitted reports of potentially suspicious activity on their account.

FreeUnreviewedSigmahighv1
title: "Okta: User reports suspicious activity on their own account via end-user activity report event"
id: 70194f24-0ed9-4953-9944-92e55f34be1c
status: test
description: This rule matches Okta System Log events where an end-user submits an account report indicating potentially suspicious activity. Such reports can signal that a user observed anomalies that may be linked to account compromise or unauthorized access attempts. The detection relies on the Okta eventType value in System Log telemetry.
references:
  - https://developer.okta.com/docs/reference/api/system-log/
  - https://github.com/okta/workflows-templates/blob/1164f0eb71ce47c9ddc7d850e9ab87b5a2b42333/workflows/suspicious_activity_reported/readme.md
  - https://github.com/SigmaHQ/sigma/blob/master/rules/identity/okta/okta_suspicious_activity_enduser_report.yml
author: kelnage, Huntrule Team
date: 2023-09-07
modified: 2026-04-27
tags:
  - attack.resource-development
  - attack.t1586.003
logsource:
  product: okta
  service: okta
detection:
  selection:
    eventType: user.account.report_suspicious_activity_by_enduser
  condition: selection
falsepositives:
  - If an end-user incorrectly identifies normal activity as suspicious.
level: high
license: DRL-1.1
related:
  - id: 07e97cc6-aed1-43ae-9081-b3470d2367f1
    type: derived

What it detects

This rule matches Okta System Log events where an end-user submits an account report indicating potentially suspicious activity. Such reports can signal that a user observed anomalies that may be linked to account compromise or unauthorized access attempts. The detection relies on the Okta eventType value in System Log telemetry.

Known false positives

  • If an end-user incorrectly identifies normal activity as suspicious.

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