Failed MFA Challenge
Medium
Escalated
ALR-00145 · 2026-04-10T17:57:29Z
Description
Multiple failed MFA challenges for user 'h.roberts' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. SOC365 Engine locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
17:57:29
Event ingested by SOC365 Engine
17:57:30
EmilyAI triage started — correlation enrichment
17:57:44
EmilyAI confidence: 94% — escalated to human analyst
17:57:54
Alert assigned to analyst: Sarah Chen
17:59:25
Investigation started — querying SIEM and threat intelligence
18:01:57
Containment action taken — endpoint isolated
18:11:13
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00007 | 3h ago | Failed MFA Challenge | Low | Investigating | SRV-BACKUP-01 |
| ALR-00086 | 5h ago | Failed MFA Challenge | Informational | Investigating | SRV-WEB-01 |
| ALR-00019 | 8h ago | Privilege Escalation Attempt | Informational | Resolved | WS-PC-003 |
| ALR-00135 | 9h ago | Unauthorised USB Device | Informational | False Positive | WS-PC-003 |
| ALR-00013 | 10h ago | Tor Exit Node Connection | Low | Escalated | WS-PC-003 |