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Failed MFA Challenge

Low Open
ALR-00060 · 2026-07-07T19:47:40Z

Description

Multiple failed MFA challenges for user 'm.taylor' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Network IDS locked account.

Alert Metadata

Alert ID
ALR-00060
Timestamp
2026-07-07T19:47:40Z
Severity
Low
Status
Open
Detection Source
Network IDS
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-PC-002
User Account
m.taylor
Source IP
194.75.62.213
Destination IP
10.2.182.162
Origin Country
UA Ukraine

MITRE ATT&CK Mapping

Tactic
Credential Access
Technique
T1621
Reference
attack.mitre.org/techniques/T1621

Investigation Timeline

19:47:40 Event ingested by SOC365 Engine
19:47:44 EmilyAI triage started — correlation enrichment
19:47:54 EmilyAI confidence: 93% — escalated to human analyst
19:48:12 Alert assigned to analyst: EmilyAI (auto)
19:49:30 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00016 2h ago Failed MFA Challenge Medium False Positive SRV-BACKUP-01
ALR-00472 4h ago DecoyPulse Honeypot Triggered High Open WS-PC-002
ALR-00310 5h ago Failed MFA Challenge Low Open FW-EDGE-01
ALR-00097 6h ago Failed MFA Challenge Informational Open WS-LAP-011
ALR-00433 10h ago Failed MFA Challenge Low Resolved WS-LAP-012