Failed MFA Challenge
Medium
Open
ALR-00214 · 2026-05-24T22:11:17Z
Description
Multiple failed MFA challenges for user 'e.evans' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. DecoyPulse locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
22:11:17
Event ingested by SOC365 Engine
22:11:22
EmilyAI triage started — correlation enrichment
22:11:26
EmilyAI confidence: 90% — escalated to human analyst
22:11:35
Alert assigned to analyst: Emma Richardson
22:13:19
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00447 | 1h ago | DecoyPulse Honeypot Triggered | Informational | False Positive | SRV-BACKUP-01 |
| ALR-00207 | 8h ago | Pass-the-Hash Detected | Medium | Resolved | SRV-BACKUP-01 |
| ALR-00285 | 9h ago | Failed MFA Challenge | Medium | Resolved | SW-CORE-01 |
| ALR-00289 | 11h ago | Port Scan Detected | Low | False Positive | SRV-BACKUP-01 |
| ALR-00158 | 12h ago | Credential Stuffing Attempt | Medium | Investigating | SRV-BACKUP-01 |