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Unauthorised USB Device

Low Open
ALR-00075 · 2026-10-11T02:23:26Z

Description

Unauthorised USB mass storage device connected to SRV-BACKUP-01 by user 'e.evans'. Device blocked by DLP Module endpoint policy.

Alert Metadata

Alert ID
ALR-00075
Timestamp
2026-10-11T02:23:26Z
Severity
Low
Status
Open
Detection Source
DLP Module
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-BACKUP-01
User Account
e.evans
Source IP
194.149.62.9
Destination IP
10.0.110.131
Origin Country
UA Ukraine

MITRE ATT&CK Mapping

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

Investigation Timeline

02:23:26 Event ingested by SOC365 Engine
02:23:31 EmilyAI triage started — correlation enrichment
02:23:37 EmilyAI confidence: 96% — escalated to human analyst
02:24:00 Alert assigned to analyst: EmilyAI (auto)
02:25:10 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00368 1h ago Shadow IT Discovery Informational False Positive SRV-BACKUP-01
ALR-00389 9h ago Privilege Escalation Attempt Medium Open SRV-BACKUP-01
ALR-00303 11h ago Unauthorised USB Device High Investigating WS-PC-001
ALR-00378 12h ago Unauthorised USB Device Critical Escalated SRV-FILE-01
ALR-00108 15h ago Unauthorised USB Device Low Resolved WS-LAP-010