Attempt to Modify an Okta Policy Rule

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Detects attempts to modify a rule within an Okta policy. An adversary may attempt to modify an Okta policy rule in order to weaken an organization’s security controls.

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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Consider adding exceptions to this rule to filter false positives if Okta MFA rules are regularly modified in your organization.

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:policy.rule.update

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 Modify Okta MFA Rule
  • Updated query, changed from:

    event.dataset:okta.system and event.action:(policy.rule.update or
    policy.rule.delete)
Version 2 (7.10.0 release)
  • Updated query, changed from:

    event.module:okta and event.dataset:okta.system and
    event.action:(policy.rule.update or policy.rule.delete)