IMPORTANT: No additional bug fixes or documentation updates
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Spike in Logon Events
editSpike in Logon Events
editA machine learning job found an unusually large spike in successful authentication events. This can be due to password spraying, user enumeration or brute force activity.
Rule type: machine_learning
Rule indices: None
Severity: low
Risk score: 21
Runs every: 15m
Searches indices from: now-30m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Use Case: Identity and Access Audit
- Use Case: Threat Detection
- Rule Type: ML
- Rule Type: Machine Learning
- Tactic: Credential Access
Version: 103
Rule authors:
- Elastic
Rule license: Elastic License v2
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/