Failed MFA Challenge
Informational
Resolved
ALR-00026 · 2026-05-21T07:42:06Z
Description
Multiple failed MFA challenges for user 'f.hall' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Email Gateway locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
07:42:06
Event ingested by SOC365 Engine
07:42:10
EmilyAI triage started — correlation enrichment
07:42:21
EmilyAI confidence: 97% — escalated to human analyst
07:42:34
Alert assigned to analyst: EmilyAI (auto)
07:43:18
Investigation started — querying SIEM and threat intelligence
07:45:41
Containment action taken — endpoint isolated
07:59:53
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00223 | 2h ago | C2 Beacon Activity | Medium | False Positive | SRV-SQL-01 |
| ALR-00079 | 10h ago | Kerberoasting Attempt | High | Investigating | SRV-SQL-01 |
| ALR-00327 | 15h ago | Insider Threat Indicator | Low | Resolved | SRV-SQL-01 |
| ALR-00431 | 23h ago | Failed MFA Challenge | Low | False Positive | WS-LAP-010 |
| ALR-00044 | 1d ago | Certificate Anomaly | Low | Resolved | SRV-SQL-01 |