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Unauthorised USB Device

Medium Escalated
ALR-00479 · 2026-10-08T14:55:48Z

Description

Unauthorised USB mass storage device connected to WS-PC-003 by user 'r.davies'. Device blocked by Cloud Connector endpoint policy.

Alert Metadata

Alert ID
ALR-00479
Timestamp
2026-10-08T14:55:48Z
Severity
Medium
Status
Escalated
Detection Source
Cloud Connector
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
WS-PC-003
User Account
r.davies
Source IP
45.196.148.27
Destination IP
10.3.241.129
Origin Country
RO Romania

MITRE ATT&CK Mapping

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

Investigation Timeline

14:55:48 Event ingested by SOC365 Engine
14:55:49 EmilyAI triage started — correlation enrichment
14:55:57 EmilyAI confidence: 90% — escalated to human analyst
14:56:15 Alert assigned to analyst: Anika Patel
14:58:39 Investigation started — querying SIEM and threat intelligence
15:01:16 Containment action taken — endpoint isolated
15:05:58 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00473 6h ago Phishing Email Blocked Low Escalated WS-PC-003
ALR-00297 7h ago Shadow IT Discovery Informational Resolved WS-PC-003
ALR-00112 12h ago Unauthorised USB Device High Escalated WS-PC-002
ALR-00087 17h ago DLP Policy Violation Informational Resolved WS-PC-003
ALR-00489 1d ago Unauthorised USB Device Medium Open WS-LAP-011