Failed MFA Challenge
Informational
Investigating
ALR-00157 · 2026-05-22T12:12:28Z
Description
Multiple failed MFA challenges for user 's.jones' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Endpoint Agent locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
12:12:28
Event ingested by SOC365 Engine
12:12:31
EmilyAI triage started — correlation enrichment
12:12:35
EmilyAI confidence: 79% — escalated to human analyst
12:13:09
Alert assigned to analyst: EmilyAI (auto)
12:15:08
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00328 | 1h ago | Failed MFA Challenge | Medium | Investigating | WS-MAC-005 |
| ALR-00354 | 1h ago | Unusual Outbound Traffic | Informational | False Positive | WS-PC-003 |
| ALR-00252 | 2h ago | Failed MFA Challenge | Medium | Open | SW-CORE-01 |
| ALR-00061 | 2h ago | Failed MFA Challenge | Low | Resolved | SRV-WEB-01 |
| ALR-00209 | 3h ago | DecoyPulse Honeypot Triggered | Low | False Positive | WS-PC-003 |