Failed MFA Challenge
Low
Open
ALR-00052 · 2026-05-24T11:59:57Z
Description
Multiple failed MFA challenges for user 'h.roberts' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Network IDS locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
11:59:57
Event ingested by SOC365 Engine
12:00:01
EmilyAI triage started — correlation enrichment
12:00:04
EmilyAI confidence: 88% — escalated to human analyst
12:00:19
Alert assigned to analyst: EmilyAI (auto)
12:01:56
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00469 | 2h ago | Failed MFA Challenge | Medium | Investigating | SRV-BACKUP-01 |
| ALR-00438 | 3h ago | Failed MFA Challenge | Low | False Positive | WS-PC-006 |
| ALR-00053 | 6h ago | Failed MFA Challenge | High | Open | WS-PC-001 |
| ALR-00008 | 8h ago | Failed MFA Challenge | Medium | Investigating | WS-PC-003 |
| ALR-00114 | 9h ago | Insider Threat Indicator | Informational | Resolved | VM-DEV-01 |