Failed MFA Challenge
Low
False Positive
ALR-00429 · 2026-05-22T04:17:40Z
Description
Multiple failed MFA challenges for user 'p.thomas' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Endpoint Agent locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
04:17:40
Event ingested by SOC365 Engine
04:17:42
EmilyAI triage started — correlation enrichment
04:17:45
EmilyAI confidence: 83% — escalated to human analyst
04:18:11
Alert assigned to analyst: EmilyAI (auto)
04:18:30
Investigation started — querying SIEM and threat intelligence
04:20:43
Containment action taken — endpoint isolated
04:30:24
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00413 | 1h ago | Unauthorised USB Device | Medium | Resolved | WS-PC-001 |
| ALR-00291 | 9h ago | Shadow IT Discovery | High | Open | WS-PC-001 |
| ALR-00289 | 13h ago | Credential Stuffing Attempt | Medium | Investigating | WS-PC-001 |
| ALR-00063 | 23h ago | DecoyPulse Honeypot Triggered | Low | Resolved | WS-PC-001 |
| ALR-00032 | 1d ago | Failed MFA Challenge | High | Open | SRV-WEB-01 |