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Unauthorised USB Device

Informational Resolved
ALR-00415 · 2026-07-11T01:39:07Z

Description

Unauthorised USB mass storage device connected to WS-LAP-010 by user 'k.brown'. Device blocked by EmilyAI Triage endpoint policy.

Alert Metadata

Alert ID
ALR-00415
Timestamp
2026-07-11T01:39:07Z
Severity
Informational
Status
Resolved
Detection Source
EmilyAI Triage
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-010
User Account
k.brown
Source IP
91.243.195.93
Destination IP
10.1.147.120
Origin Country
GB United Kingdom

MITRE ATT&CK Mapping

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

Investigation Timeline

01:39:07 Event ingested by SOC365 Engine
01:39:10 EmilyAI triage started — correlation enrichment
01:39:18 EmilyAI confidence: 81% — escalated to human analyst
01:39:41 Alert assigned to analyst: EmilyAI (auto)
01:40:29 Investigation started — querying SIEM and threat intelligence
01:46:43 Containment action taken — endpoint isolated
01:50:16 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00029 24m ago DLP Policy Violation Medium Resolved WS-LAP-010
ALR-00475 2h ago Unauthorised USB Device Medium Resolved WS-PC-001
ALR-00297 5h ago Rogue DHCP Server Medium Resolved WS-LAP-010
ALR-00368 17h ago Tor Exit Node Connection Medium Open WS-LAP-010
ALR-00078 21h ago Port Scan Detected High Escalated WS-LAP-010