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Failed MFA Challenge

Low Investigating
ALR-00108 · 2026-07-07T13:23:53Z

Description

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

Alert Metadata

Alert ID
ALR-00108
Timestamp
2026-07-07T13:23:53Z
Severity
Low
Status
Investigating
Detection Source
EmilyAI Triage
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-MAC-005
User Account
s.jones
Source IP
185.174.220.210
Destination IP
10.2.214.188
Origin Country
RO Romania

MITRE ATT&CK Mapping

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

Investigation Timeline

13:23:53 Event ingested by SOC365 Engine
13:23:57 EmilyAI triage started — correlation enrichment
13:24:08 EmilyAI confidence: 89% — escalated to human analyst
13:24:31 Alert assigned to analyst: EmilyAI (auto)
13:26:43 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00095 3h ago Failed MFA Challenge Low Escalated WS-PC-006
ALR-00289 6h ago Tor Exit Node Connection High Investigating WS-MAC-005
ALR-00404 8h ago Anomalous DNS Query Low False Positive WS-MAC-005
ALR-00336 9h ago Anomalous DNS Query Medium Escalated WS-MAC-005
ALR-00126 10h ago Brute Force SSH High Investigating WS-MAC-005