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Failed MFA Challenge

Informational Resolved
ALR-00124 · 2026-07-10T10:55:27Z

Description

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

Alert Metadata

Alert ID
ALR-00124
Timestamp
2026-07-10T10:55:27Z
Severity
Informational
Status
Resolved
Detection Source
EmilyAI Triage
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-SQL-01
User Account
m.taylor
Source IP
45.118.148.155
Destination IP
10.0.5.173
Origin Country
IN India

MITRE ATT&CK Mapping

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

Investigation Timeline

10:55:27 Event ingested by SOC365 Engine
10:55:32 EmilyAI triage started — correlation enrichment
10:55:39 EmilyAI confidence: 90% — escalated to human analyst
10:56:09 Alert assigned to analyst: EmilyAI (auto)
10:57:30 Investigation started — querying SIEM and threat intelligence
11:01:15 Containment action taken — endpoint isolated
11:14:41 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00178 3h ago Failed MFA Challenge Medium False Positive WS-PC-002
ALR-00223 4h ago Failed MFA Challenge Medium Investigating SRV-BACKUP-01
ALR-00357 6h ago Rogue DHCP Server Low Resolved SRV-SQL-01
ALR-00469 13h ago Certificate Anomaly Medium False Positive SRV-SQL-01
ALR-00109 17h ago Malware Signature Match Low Escalated SRV-SQL-01