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Unauthorised USB Device

Medium False Positive
ALR-00206 · 2026-07-06T22:11:12Z

Description

Unauthorised USB mass storage device connected to WS-LAP-010 by user 'm.taylor'. Device blocked by Email Gateway endpoint policy.

Alert Metadata

Alert ID
ALR-00206
Timestamp
2026-07-06T22:11:12Z
Severity
Medium
Status
False Positive
Detection Source
Email Gateway
Assigned Analyst
Emma Richardson

Endpoint Information

Hostname
WS-LAP-010
User Account
m.taylor
Source IP
103.36.216.95
Destination IP
10.0.38.70
Origin Country
UA Ukraine

MITRE ATT&CK Mapping

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

Investigation Timeline

22:11:12 Event ingested by SOC365 Engine
22:11:14 EmilyAI triage started — correlation enrichment
22:11:20 EmilyAI confidence: 90% — escalated to human analyst
22:11:56 Alert assigned to analyst: Emma Richardson
22:13:23 Investigation started — querying SIEM and threat intelligence
22:18:08 Containment action taken — endpoint isolated
22:25:28 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00489 42m ago Unauthorised USB Device Informational Open WS-PC-001
ALR-00416 2h ago DecoyPulse Honeypot Triggered Low Escalated WS-LAP-010
ALR-00209 8h ago Unauthorised USB Device Low Escalated WS-PC-003
ALR-00451 11h ago Port Scan Detected Medium False Positive WS-LAP-010
ALR-00123 14h ago Unauthorised USB Device Low Resolved SRV-FILE-01