Unauthorized Access to an Okta Application

Elastic Stack Serverless Security

Identifies when an unauthorized access attempt is made by a user for an Okta application.

Rule type: query

Rule indices:

• filebeat-*
• logs-okta*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: None (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

• Elastic
• Identity
• Okta
• Continuous Monitoring
• SecOps
• Identity and Access

Version: 1

Rule authors:

• Elastic
• Austin Songer

Rule license: Elastic License v2

The Okta Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

event.dataset:okta.system and event.action:app.generic.unauth_app_access_attempt

Framework: MITRE ATT&CKTM

• Tactic:

  • Name: Initial Access
  • ID: TA0001
  • Reference URL: https://attack.mitre.org/tactics/TA0001/

• Technique:

  • Name: Valid Accounts
  • ID: T1078
  • Reference URL: https://attack.mitre.org/techniques/T1078/

• Tactic:

  • Name: Defense Evasion
  • ID: TA0005
  • Reference URL: https://attack.mitre.org/tactics/TA0005/

• Tactic:

  • Name: Persistence
  • ID: TA0003
  • Reference URL: https://attack.mitre.org/tactics/TA0003/

• Tactic:

  • Name: Privilege Escalation
  • ID: TA0004
  • Reference URL: https://attack.mitre.org/tactics/TA0004/