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Unauthorised USB Device

Medium Investigating
ALR-00493 · 2026-04-12T05:12:04Z

Description

Unauthorised USB mass storage device connected to WS-PC-004 by user 'm.taylor'. Device blocked by DecoyPulse endpoint policy.

Alert Metadata

Alert ID
ALR-00493
Timestamp
2026-04-12T05:12:04Z
Severity
Medium
Status
Investigating
Detection Source
DecoyPulse
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
WS-PC-004
User Account
m.taylor
Source IP
185.51.220.186
Destination IP
10.2.141.127
Origin Country
NG Nigeria

MITRE ATT&CK Mapping

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

Investigation Timeline

05:12:04 Event ingested by SOC365 Engine
05:12:08 EmilyAI triage started — correlation enrichment
05:12:17 EmilyAI confidence: 81% — escalated to human analyst
05:12:40 Alert assigned to analyst: James Okonkwo
05:15:00 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00031 1h ago Phishing Email Blocked Low Escalated WS-PC-004
ALR-00250 1h ago DLP Policy Violation Medium False Positive WS-PC-004
ALR-00082 6h ago Certificate Anomaly Medium Escalated WS-PC-004
ALR-00313 14h ago Port Scan Detected Medium Investigating WS-PC-004
ALR-00122 1d ago Certificate Anomaly Medium Escalated WS-PC-004