Failed MFA Challenge
High
Open
ALR-00111 · 2026-07-10T05:03:21Z
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
05:03:21
Event ingested by SOC365 Engine
05:03:24
EmilyAI triage started — correlation enrichment
05:03:27
EmilyAI confidence: 92% — escalated to human analyst
05:03:56
Alert assigned to analyst: Marcus Webb
05:06:15
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00080 | 1h ago | Failed MFA Challenge | Low | Resolved | SW-CORE-01 |
| ALR-00010 | 8h ago | Failed MFA Challenge | Informational | Open | WS-PC-004 |
| ALR-00446 | 16h ago | Certificate Anomaly | Medium | Investigating | WS-MAC-005 |
| ALR-00363 | 19h ago | Failed MFA Challenge | Low | Investigating | WS-LAP-011 |
| ALR-00109 | 19h ago | Failed MFA Challenge | Low | Resolved | SRV-BACKUP-01 |