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Unauthorised USB Device

Medium Investigating
ALR-00218 · 2026-05-21T22:53:22Z

Description

Unauthorised USB mass storage device connected to WS-LAP-012 by user 'j.smith'. Device blocked by SOC365 Engine endpoint policy.

Alert Metadata

Alert ID
ALR-00218
Timestamp
2026-05-21T22:53:22Z
Severity
Medium
Status
Investigating
Detection Source
SOC365 Engine
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
WS-LAP-012
User Account
j.smith
Source IP
185.164.220.114
Destination IP
10.3.108.105
Origin Country
KP North Korea

MITRE ATT&CK Mapping

Tactic
Initial Access
Technique
T1091
Reference
attack.mitre.org/techniques/T1091

Investigation Timeline

22:53:22 Event ingested by SOC365 Engine
22:53:27 EmilyAI triage started — correlation enrichment
22:53:30 EmilyAI confidence: 80% — escalated to human analyst
22:54:00 Alert assigned to analyst: Anika Patel
22:55:20 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00287 2h ago Anomalous DNS Query Medium Investigating WS-LAP-012
ALR-00224 4h ago Failed MFA Challenge Low Investigating WS-LAP-012
ALR-00273 9h ago Unauthorised USB Device Medium False Positive SRV-FILE-01
ALR-00244 9h ago Anomalous DNS Query Low False Positive WS-LAP-012
ALR-00187 19h ago Certificate Anomaly Low Open WS-LAP-012