Failed MFA Challenge
Medium
Resolved
ALR-00436 · 2026-05-22T02:26:29Z
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
02:26:29
Event ingested by SOC365 Engine
02:26:30
EmilyAI triage started — correlation enrichment
02:26:44
EmilyAI confidence: 80% — escalated to human analyst
02:27:02
Alert assigned to analyst: Marcus Webb
02:28:27
Investigation started — querying SIEM and threat intelligence
02:33:23
Containment action taken — endpoint isolated
02:37:34
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00151 | 2h ago | DecoyPulse Honeypot Triggered | Low | Resolved | WS-PC-006 |
| ALR-00482 | 8h ago | Malware Signature Match | Low | Open | WS-PC-006 |
| ALR-00421 | 10h ago | Privilege Escalation Attempt | Medium | False Positive | WS-PC-006 |
| ALR-00264 | 15h ago | Privilege Escalation Attempt | Low | Resolved | WS-PC-006 |
| ALR-00009 | 20h ago | Failed MFA Challenge | High | Open | SRV-BACKUP-01 |