Failed MFA Challenge
High
Investigating
ALR-00373 · 2026-07-06T14:43:29Z
Description
Multiple failed MFA challenges for user 'k.brown' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Network IDS locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
14:43:29
Event ingested by SOC365 Engine
14:43:31
EmilyAI triage started — correlation enrichment
14:43:34
EmilyAI confidence: 84% — escalated to human analyst
14:44:00
Alert assigned to analyst: Sarah Chen
14:45:12
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00100 | 2h ago | Suspicious PowerShell Execution | Low | Open | WS-LAP-010 |
| ALR-00500 | 4h ago | Suspicious PowerShell Execution | High | Escalated | WS-LAP-010 |
| ALR-00095 | 15h ago | Privilege Escalation Attempt | Critical | Open | WS-LAP-010 |
| ALR-00483 | 1d ago | Port Scan Detected | Informational | Resolved | WS-LAP-010 |
| ALR-00160 | 1d ago | Failed MFA Challenge | High | Open | SRV-APP-01 |