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Failed MFA Challenge

High Escalated
ALR-00096 · 2026-07-06T05:07:27Z

Description

Multiple failed MFA challenges for user 'n.clark' — 12 push notifications in 3 minutes suggesting MFA fatigue attack. Cloud Connector locked account.

Alert Metadata

Alert ID
ALR-00096
Timestamp
2026-07-06T05:07:27Z
Severity
High
Status
Escalated
Detection Source
Cloud Connector
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-LAP-011
User Account
n.clark
Source IP
103.115.216.177
Destination IP
10.3.98.175
Origin Country
IN India

MITRE ATT&CK Mapping

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

Investigation Timeline

05:07:27 Event ingested by SOC365 Engine
05:07:29 EmilyAI triage started — correlation enrichment
05:07:40 EmilyAI confidence: 80% — escalated to human analyst
05:08:04 Alert assigned to analyst: Sarah Chen
05:09:49 Investigation started — querying SIEM and threat intelligence
05:12:31 Containment action taken — endpoint isolated
05:19:19 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00489 6h ago Failed MFA Challenge Low Escalated FW-EDGE-01
ALR-00385 7h ago C2 Beacon Activity Low Open WS-LAP-011
ALR-00112 8h ago Failed MFA Challenge Medium Resolved SRV-BACKUP-01
ALR-00471 10h ago Unauthorised USB Device Low Open WS-LAP-011
ALR-00282 11h ago Insider Threat Indicator Informational False Positive WS-LAP-011