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Unauthorised USB Device

Informational Escalated
ALR-00351 · 2026-10-06T09:54:06Z

Description

Unauthorised USB mass storage device connected to WS-LAP-012 by user 's.jones'. Device blocked by Attack Surface Scanner endpoint policy.

Alert Metadata

Alert ID
ALR-00351
Timestamp
2026-10-06T09:54:06Z
Severity
Informational
Status
Escalated
Detection Source
Attack Surface Scanner
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-012
User Account
s.jones
Source IP
45.109.148.163
Destination IP
10.1.87.182
Origin Country
NL Netherlands

MITRE ATT&CK Mapping

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

Investigation Timeline

09:54:06 Event ingested by SOC365 Engine
09:54:11 EmilyAI triage started — correlation enrichment
09:54:15 EmilyAI confidence: 93% — escalated to human analyst
09:54:34 Alert assigned to analyst: EmilyAI (auto)
09:56:19 Investigation started — querying SIEM and threat intelligence
09:59:14 Containment action taken — endpoint isolated
10:10:25 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00078 10h ago Suspicious PowerShell Execution Low Open WS-LAP-012
ALR-00011 18h ago Shadow IT Discovery Informational Open WS-LAP-012
ALR-00038 22h ago Unauthorised USB Device Informational Escalated SRV-APP-01
ALR-00184 22h ago Data Exfiltration Attempt Medium False Positive WS-LAP-012
ALR-00151 22h ago Unauthorised USB Device Medium Open SRV-APP-01