Failed MFA Challenge
Medium
False Positive
ALR-00277 · 2026-04-10T09:40:53Z
Description
Multiple failed MFA challenges for user 'f.hall' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Endpoint Agent locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
09:40:53
Event ingested by SOC365 Engine
09:40:57
EmilyAI triage started — correlation enrichment
09:40:58
EmilyAI confidence: 93% — escalated to human analyst
09:41:12
Alert assigned to analyst: Sarah Chen
09:42:59
Investigation started — querying SIEM and threat intelligence
09:45:09
Containment action taken — endpoint isolated
09:56:10
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00162 | 2h ago | Failed MFA Challenge | Low | Resolved | SRV-DC-01 |
| ALR-00362 | 2h ago | Brute Force SSH | Low | Resolved | WS-PC-001 |
| ALR-00497 | 3h ago | Brute Force SSH | Medium | Open | WS-PC-001 |
| ALR-00014 | 17h ago | Rogue DHCP Server | Critical | Escalated | WS-PC-001 |
| ALR-00215 | 21h ago | DecoyPulse Honeypot Triggered | Medium | False Positive | WS-PC-001 |