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Unauthorised USB Device

Low Open
ALR-00209 · 2026-05-24T15:28:57Z

Description

Unauthorised USB mass storage device connected to SW-CORE-01 by user 'h.roberts'. Device blocked by Network IDS endpoint policy.

Alert Metadata

Alert ID
ALR-00209
Timestamp
2026-05-24T15:28:57Z
Severity
Low
Status
Open
Detection Source
Network IDS
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SW-CORE-01
User Account
h.roberts
Source IP
91.146.195.31
Destination IP
10.3.82.30
Origin Country
UA Ukraine

MITRE ATT&CK Mapping

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

Investigation Timeline

15:28:57 Event ingested by SOC365 Engine
15:28:59 EmilyAI triage started — correlation enrichment
15:29:02 EmilyAI confidence: 93% — escalated to human analyst
15:29:23 Alert assigned to analyst: EmilyAI (auto)
15:31:21 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