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Unauthorised USB Device

Low Investigating
ALR-00045 · 2026-10-08T00:56:18Z

Description

Unauthorised USB mass storage device connected to WS-PC-006 by user 'l.johnson'. Device blocked by DecoyPulse endpoint policy.

Alert Metadata

Alert ID
ALR-00045
Timestamp
2026-10-08T00:56:18Z
Severity
Low
Status
Investigating
Detection Source
DecoyPulse
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-PC-006
User Account
l.johnson
Source IP
91.74.195.180
Destination IP
10.1.61.55
Origin Country
CN China

MITRE ATT&CK Mapping

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

Investigation Timeline

00:56:18 Event ingested by SOC365 Engine
00:56:21 EmilyAI triage started — correlation enrichment
00:56:31 EmilyAI confidence: 87% — escalated to human analyst
00:56:59 Alert assigned to analyst: EmilyAI (auto)
00:57:40 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00047 4h ago Anomalous DNS Query High Escalated WS-PC-006
ALR-00161 5h ago Anomalous DNS Query Medium Escalated WS-PC-006
ALR-00071 7h ago Rogue DHCP Server Medium Resolved WS-PC-006
ALR-00210 8h ago Unusual Outbound Traffic Low Open WS-PC-006
ALR-00223 10h ago Lateral Movement Detected Critical Escalated WS-PC-006