Failed MFA Challenge
Medium
Resolved
ALR-00195 · 2026-04-11T12:30:33Z
Description
Multiple failed MFA challenges for user 'f.hall' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. DecoyPulse locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
12:30:33
Event ingested by SOC365 Engine
12:30:38
EmilyAI triage started — correlation enrichment
12:30:48
EmilyAI confidence: 81% — escalated to human analyst
12:31:07
Alert assigned to analyst: Sarah Chen
12:32:08
Investigation started — querying SIEM and threat intelligence
12:39:09
Containment action taken — endpoint isolated
12:41:20
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00032 | 3h ago | Suspicious PowerShell Execution | Medium | Escalated | SRV-BACKUP-01 |
| ALR-00186 | 6h ago | Suspicious PowerShell Execution | Informational | Resolved | SRV-BACKUP-01 |
| ALR-00108 | 6h ago | Unusual Outbound Traffic | Medium | Open | SRV-BACKUP-01 |
| ALR-00441 | 10h ago | Privilege Escalation Attempt | Medium | Escalated | SRV-BACKUP-01 |
| ALR-00187 | 12h ago | Failed MFA Challenge | Medium | Investigating | SRV-BACKUP-01 |