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Elastic Docs ›Elastic Security Solution [8.16] ›Detections and alerts ›Prebuilt rule reference

Okta Brute Force or Password Spraying Attack

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Okta Brute Force or Password Spraying Attack

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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-*
  • logs-okta*

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

Version: 102 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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Automated processes that attempt to authenticate using expired credentials and unbounded retries may lead to false positives.

Investigation guide

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Rule query
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event.dataset:okta.system and event.category:authentication and
event.outcome:failure











Threat mapping
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Framework: MITRE ATT&CKTM














Rule version history
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Version 102 (8.6.0 release)








    

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Version 100 (8.5.0 release)








    

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Version 7 (8.4.0 release)








    

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Version 5 (7.13.0 release)








    

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Version 4 (7.12.0 release)








    

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Version 3 (7.11.0 release)








    

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Version 2 (7.10.0 release)








    

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    Updated query, changed from:
    

    

    

    event.module:okta and event.dataset:okta.system and
event.category:authentication and event.outcome:failure
    

    

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