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Failed MFA Challenge

Medium Escalated
ALR-00446 · 2026-07-07T07:19:57Z

Description

Multiple failed MFA challenges for user 'a.wilson' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. EmilyAI Triage locked account.

Alert Metadata

Alert ID
ALR-00446
Timestamp
2026-07-07T07:19:57Z
Severity
Medium
Status
Escalated
Detection Source
EmilyAI Triage
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
WS-LAP-010
User Account
a.wilson
Source IP
91.29.195.67
Destination IP
10.1.146.135
Origin Country
IR Iran

MITRE ATT&CK Mapping

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

Investigation Timeline

07:19:57 Event ingested by SOC365 Engine
07:20:02 EmilyAI triage started — correlation enrichment
07:20:04 EmilyAI confidence: 94% — escalated to human analyst
07:20:22 Alert assigned to analyst: James Okonkwo
07:22:15 Investigation started — querying SIEM and threat intelligence
07:25:50 Containment action taken — endpoint isolated
07:37:13 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00120 1h ago Rogue DHCP Server Critical Escalated WS-LAP-010
ALR-00261 5h ago Kerberoasting Attempt Low Open WS-LAP-010
ALR-00073 12h ago Unauthorised USB Device Low False Positive WS-LAP-010
ALR-00095 22h ago DecoyPulse Honeypot Triggered Informational False Positive WS-LAP-010
ALR-00410 1d ago Brute Force SSH Medium False Positive WS-LAP-010