Failed MFA Challenge
Informational
Resolved
ALR-00407 · 2026-05-25T12:00:20Z
Description
Multiple failed MFA challenges for user 'd.walker' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Firewall locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
12:00:20
Event ingested by SOC365 Engine
12:00:23
EmilyAI triage started — correlation enrichment
12:00:27
EmilyAI confidence: 87% — escalated to human analyst
12:00:58
Alert assigned to analyst: EmilyAI (auto)
12:02:03
Investigation started — querying SIEM and threat intelligence
12:07:48
Containment action taken — endpoint isolated
12:15:14
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00128 | 4h ago | Anomalous DNS Query | Low | Resolved | FW-EDGE-01 |
| ALR-00335 | 4h ago | Shadow IT Discovery | Low | Resolved | FW-EDGE-01 |
| ALR-00222 | 11h ago | Tor Exit Node Connection | Low | Investigating | FW-EDGE-01 |
| ALR-00055 | 15h ago | Pass-the-Hash Detected | Medium | Open | FW-EDGE-01 |
| ALR-00141 | 16h ago | Failed MFA Challenge | Medium | Investigating | AP-WIFI-03 |