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Unauthorised USB Device

Low Resolved
ALR-00008 · 2026-05-22T01:13:18Z

Description

Unauthorised USB mass storage device connected to WS-LAP-011 by user 'k.brown'. Device blocked by Dark Web Monitor endpoint policy.

Alert Metadata

Alert ID
ALR-00008
Timestamp
2026-05-22T01:13:18Z
Severity
Low
Status
Resolved
Detection Source
Dark Web Monitor
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-011
User Account
k.brown
Source IP
194.147.62.225
Destination IP
10.0.170.143
Origin Country
IN India

MITRE ATT&CK Mapping

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

Investigation Timeline

01:13:18 Event ingested by SOC365 Engine
01:13:21 EmilyAI triage started — correlation enrichment
01:13:31 EmilyAI confidence: 90% — escalated to human analyst
01:13:51 Alert assigned to analyst: EmilyAI (auto)
01:14:44 Investigation started — querying SIEM and threat intelligence
01:22:54 Containment action taken — endpoint isolated
01:31:17 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00264 43m ago Phishing Email Blocked Medium False Positive WS-LAP-011
ALR-00399 6h ago Unauthorised USB Device High Investigating SRV-WEB-01
ALR-00004 13h ago Data Exfiltration Attempt Medium False Positive WS-LAP-011
ALR-00357 13h ago Unauthorised USB Device Critical Investigating SW-CORE-01
ALR-00377 19h ago Unauthorised USB Device Medium Investigating WS-PC-006