Failed MFA Challenge
High
Open
ALR-00053 · 2026-05-27T09:17:16Z
Description
Multiple failed MFA challenges for user 'c.williams' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Firewall locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
09:17:16
Event ingested by SOC365 Engine
09:17:20
EmilyAI triage started — correlation enrichment
09:17:26
EmilyAI confidence: 78% — escalated to human analyst
09:17:32
Alert assigned to analyst: Marcus Webb
09:19:52
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00205 | 1h ago | Malware Signature Match | Low | Investigating | WS-PC-001 |
| ALR-00469 | 2h ago | Failed MFA Challenge | Medium | Investigating | SRV-BACKUP-01 |
| ALR-00438 | 3h ago | Failed MFA Challenge | Low | False Positive | WS-PC-006 |
| ALR-00008 | 8h ago | Failed MFA Challenge | Medium | Investigating | WS-PC-003 |
| ALR-00478 | 8h ago | Pass-the-Hash Detected | High | Open | WS-PC-001 |