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Unauthorised USB Device

Medium Open
ALR-00173 · 2026-05-22T21:53:54Z

Description

Unauthorised USB mass storage device connected to SW-CORE-01 by user 's.jones'. Device blocked by EmilyAI Triage endpoint policy.

Alert Metadata

Alert ID
ALR-00173
Timestamp
2026-05-22T21:53:54Z
Severity
Medium
Status
Open
Detection Source
EmilyAI Triage
Assigned Analyst
Marcus Webb

Endpoint Information

Hostname
SW-CORE-01
User Account
s.jones
Source IP
91.163.195.198
Destination IP
10.3.70.83
Origin Country
GB United Kingdom

MITRE ATT&CK Mapping

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

Investigation Timeline

21:53:54 Event ingested by SOC365 Engine
21:53:56 EmilyAI triage started — correlation enrichment
21:54:01 EmilyAI confidence: 79% — escalated to human analyst
21:54:16 Alert assigned to analyst: Marcus Webb
21:56:30 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00087 27m ago DLP Policy Violation Medium False Positive SW-CORE-01
ALR-00439 6h ago DecoyPulse Honeypot Triggered Low Resolved SW-CORE-01
ALR-00363 7h ago Phishing Email Blocked Low Resolved SW-CORE-01
ALR-00454 9h ago DecoyPulse Honeypot Triggered High Investigating SW-CORE-01
ALR-00422 9h ago Unauthorised USB Device Medium False Positive WS-MAC-005