IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Attempts to Brute Force an Okta User Accountedit
Identifies when an Okta user account is locked out 3 times within a 3 hour window. An adversary may attempt a brute force or password spraying attack to obtain unauthorized access to user accounts. The default Okta authentication policy ensures that a user account is locked out after 10 failed authentication attempts.
Rule type: threshold
Rule indices:
- filebeat-*
- logs-okta*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-180m (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: 1
Added (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Investigation guideedit
The Okta Filebeat module must be enabled to use this rule.
Rule queryedit
event.dataset:okta.system and event.action:user.account.lock
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Brute Force
- ID: T1110
- Reference URL: https://attack.mitre.org/techniques/T1110/