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Unauthorised USB Device

Medium False Positive
ALR-00132 · 2026-07-09T03:40:39Z

Description

Unauthorised USB mass storage device connected to WS-LAP-012 by user 'k.brown'. Device blocked by Network IDS endpoint policy.

Alert Metadata

Alert ID
ALR-00132
Timestamp
2026-07-09T03:40:39Z
Severity
Medium
Status
False Positive
Detection Source
Network IDS
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
WS-LAP-012
User Account
k.brown
Source IP
185.226.220.163
Destination IP
10.3.97.247
Origin Country
IN India

MITRE ATT&CK Mapping

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

Investigation Timeline

03:40:39 Event ingested by SOC365 Engine
03:40:42 EmilyAI triage started — correlation enrichment
03:40:53 EmilyAI confidence: 90% — escalated to human analyst
03:41:09 Alert assigned to analyst: James Okonkwo
03:43:00 Investigation started — querying SIEM and threat intelligence
03:44:49 Containment action taken — endpoint isolated
03:53:53 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00043 3h ago Data Exfiltration Attempt Low False Positive WS-LAP-012
ALR-00110 5h ago Kerberoasting Attempt Low Open WS-LAP-012
ALR-00107 6h ago Unauthorised USB Device Informational Investigating SRV-DC-01
ALR-00050 11h ago Anomalous DNS Query Low False Positive WS-LAP-012
ALR-00082 13h ago Privilege Escalation Attempt Medium Escalated WS-LAP-012