Failed MFA Challenge
Low
Resolved
ALR-00204 · 2026-07-06T06:14:03Z
Description
Multiple failed MFA challenges for user 'c.williams' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Firewall locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
06:14:03
Event ingested by SOC365 Engine
06:14:08
EmilyAI triage started — correlation enrichment
06:14:08
EmilyAI confidence: 89% — escalated to human analyst
06:14:39
Alert assigned to analyst: EmilyAI (auto)
06:15:18
Investigation started — querying SIEM and threat intelligence
06:17:26
Containment action taken — endpoint isolated
06:25:30
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00475 | 5h ago | Credential Stuffing Attempt | Informational | False Positive | SRV-MAIL-01 |
| ALR-00376 | 12h ago | Failed MFA Challenge | Informational | Investigating | SRV-BACKUP-01 |
| ALR-00350 | 21h ago | Lateral Movement Detected | High | Investigating | SRV-MAIL-01 |
| ALR-00213 | 22h ago | DecoyPulse Honeypot Triggered | Medium | False Positive | SRV-MAIL-01 |
| ALR-00126 | 1d ago | Pass-the-Hash Detected | Informational | False Positive | SRV-MAIL-01 |