Failed MFA Challenge
Low
Resolved
ALR-00484 · 2026-04-09T01:44:35Z
Description
Multiple failed MFA challenges for user 'p.thomas' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. EmilyAI Triage locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
01:44:35
Event ingested by SOC365 Engine
01:44:38
EmilyAI triage started — correlation enrichment
01:44:49
EmilyAI confidence: 96% — escalated to human analyst
01:44:50
Alert assigned to analyst: EmilyAI (auto)
01:46:30
Investigation started — querying SIEM and threat intelligence
01:50:07
Containment action taken — endpoint isolated
01:57:54
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00360 | 2h ago | Suspicious PowerShell Execution | Informational | False Positive | WS-LAP-010 |
| ALR-00007 | 3h ago | Failed MFA Challenge | Low | Investigating | SRV-BACKUP-01 |
| ALR-00258 | 3h ago | Ransomware Behaviour Detected | Informational | Open | WS-LAP-010 |
| ALR-00086 | 5h ago | Failed MFA Challenge | Informational | Investigating | SRV-WEB-01 |
| ALR-00296 | 11h ago | Pass-the-Hash Detected | Informational | Resolved | WS-LAP-010 |