Modification or Removal of an Okta Application Sign-On Policy
editModification or Removal of an Okta Application Sign-On Policy
editDetects attempts to modify or delete a sign on policy for an Okta application. An adversary may attempt to modify or delete the sign on policy for an Okta application in order to remove or weaken an organization’s security controls.
Rule type: query
Rule indices:
- filebeat-*
- logs-okta*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: None (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
- https://help.okta.com/en/prod/Content/Topics/Security/App_Based_Signon.htm
- https://developer.okta.com/docs/reference/api/system-log/
- https://developer.okta.com/docs/reference/api/event-types/
- https://www.elastic.co/security-labs/testing-okta-visibility-and-detection-dorothy
- https://www.elastic.co/security-labs/monitoring-okta-threats-with-elastic-security
- https://www.elastic.co/security-labs/starter-guide-to-understanding-okta
Tags:
- Tactic: Persistence
- Use Case: Identity and Access Audit
- Data Source: Okta
Version: 208
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editSetup
editThe Okta Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule query
editevent.dataset:okta.system and event.action:(application.policy.sign_on.update or application.policy.sign_on.rule.delete)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Modify Authentication Process
- ID: T1556
- Reference URL: https://attack.mitre.org/techniques/T1556/