Attempt to Deactivate MFA for an Okta User Account

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Attempt to Deactivate MFA for an Okta User Account

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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: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

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

Version: 6 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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If the behavior of deactivating MFA for Okta user accounts is expected, consider adding exceptions to this rule to filter false positives.

Investigation guide

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Config

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

Rule query

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

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 6 (7.13.0 release)
  • Formatting only
Version 5 (7.12.0 release)
  • Formatting only
Version 4 (7.11.2 release)
  • Formatting only
Version 3 (7.11.0 release)
  • Rule name changed from: Attempt to Deactivate MFA for Okta User Account
Version 2 (7.10.0 release)
  • Updated query, changed from:

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