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Unauthorised USB Device

Medium Open
ALR-00276 · 2026-07-06T15:27:59Z

Description

Unauthorised USB mass storage device connected to WS-PC-006 by user 's.jones'. Device blocked by EmilyAI Triage endpoint policy.

Alert Metadata

Alert ID
ALR-00276
Timestamp
2026-07-06T15:27:59Z
Severity
Medium
Status
Open
Detection Source
EmilyAI Triage
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
WS-PC-006
User Account
s.jones
Source IP
185.52.220.180
Destination IP
10.2.228.124
Origin Country
CN China

MITRE ATT&CK Mapping

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

Investigation Timeline

15:27:59 Event ingested by SOC365 Engine
15:28:03 EmilyAI triage started — correlation enrichment
15:28:14 EmilyAI confidence: 96% — escalated to human analyst
15:28:33 Alert assigned to analyst: Anika Patel
15:28:54 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00489 42m ago Unauthorised USB Device Informational Open WS-PC-001
ALR-00111 3h ago Suspicious PowerShell Execution Informational False Positive WS-PC-006
ALR-00209 8h ago Unauthorised USB Device Low Escalated WS-PC-003
ALR-00193 9h ago Malware Signature Match Medium Resolved WS-PC-006
ALR-00051 14h ago Tor Exit Node Connection Medium Resolved WS-PC-006