Okta Brute Force or Password Spraying Attackedit
Identifies a high number of failed Okta user authentication attempts from a single IP address, which could be indicative of a brute force or password spraying attack. An adversary may attempt a brute force or password spraying attack to obtain unauthorized access to user accounts.
Rule type: threshold
Rule indices:
- filebeat-*
Severity: medium
Risk score: 47
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
- Okta
- SecOps
- Identity and Access
- Continuous Monitoring
Version: 1
Added (Elastic Stack release): 7.9.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positivesedit
Automated processes that attempt to authenticate using expired credentials and unbounded retries may lead to false positives.
Investigation guideedit
The Okta Filebeat module must be enabled to use this rule.
Rule queryedit
event.module:okta and event.dataset:okta.system and event.category:authentication and event.outcome:failure
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/