Attempt to Deactivate MFA for an Okta User Account

Elastic Stack Serverless Security

Detects attempts to deactivate multi-factor authentication (MFA) for an Okta user. An adversary may deactivate MFA for an Okta user account in order to weaken the authentication requirements for the account.

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:

• https://developer.okta.com/docs/reference/api/system-log/
• https://developer.okta.com/docs/reference/api/event-types/

Tags:

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

Version: 8

Rule authors:

• Elastic

Rule license: Elastic License v2

event.dataset:okta.system and event.action:user.mfa.factor.deactivate

Framework: MITRE ATT&CKTM

• Tactic:

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

• Technique:

  • Name: Account Manipulation
  • ID: T1098
  • Reference URL: https://attack.mitre.org/techniques/T1098/