Failed MFA Challenge
Informational
Open
ALR-00374 · 2026-05-26T05:53:01Z
Description
Multiple failed MFA challenges for user 'n.clark' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Firewall locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
05:53:01
Event ingested by SOC365 Engine
05:53:05
EmilyAI triage started — correlation enrichment
05:53:16
EmilyAI confidence: 91% — escalated to human analyst
05:53:42
Alert assigned to analyst: EmilyAI (auto)
05:53:58
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00256 | 6h ago | Shadow IT Discovery | Low | Escalated | WS-PC-001 |
| ALR-00163 | 7h ago | Anomalous DNS Query | Medium | False Positive | WS-PC-001 |
| ALR-00381 | 11h ago | Suspicious PowerShell Execution | Low | Escalated | WS-PC-001 |
| ALR-00278 | 14h ago | Failed MFA Challenge | Informational | Resolved | WS-PC-003 |
| ALR-00166 | 15h ago | Insider Threat Indicator | Informational | Investigating | WS-PC-001 |