Attempt to Modify an Okta Policy Ruleedit

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 positivesedit

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

Investigation guideedit

Config

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

Rule queryedit

event.dataset:okta.system and event.action:policy.rule.update

Rule version historyedit

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)