Failed MFA Challenge
Informational
Open
ALR-00286 · 2026-07-10T00:43:41Z
Description
Multiple failed MFA challenges for user 'k.brown' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Endpoint Agent locked account.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
00:43:41
Event ingested by SOC365 Engine
00:43:42
EmilyAI triage started — correlation enrichment
00:43:56
EmilyAI confidence: 87% — escalated to human analyst
00:44:22
Alert assigned to analyst: EmilyAI (auto)
00:46:15
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00084 | 59m ago | Rogue DHCP Server | Low | Open | WS-LAP-011 |
| ALR-00446 | 1h ago | Failed MFA Challenge | Medium | Open | WS-PC-006 |
| ALR-00360 | 9h ago | Rogue DHCP Server | Medium | Open | WS-LAP-011 |
| ALR-00421 | 14h ago | Privilege Escalation Attempt | Informational | False Positive | WS-LAP-011 |
| ALR-00004 | 19h ago | Failed MFA Challenge | Low | Escalated | WS-PC-006 |