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Unauthorised USB Device

Medium Resolved
ALR-00298 · 2026-04-08T22:45:55Z

Description

Unauthorised USB mass storage device connected to WS-LAP-010 by user 'p.thomas'. Device blocked by EmilyAI Triage endpoint policy.

Alert Metadata

Alert ID
ALR-00298
Timestamp
2026-04-08T22:45:55Z
Severity
Medium
Status
Resolved
Detection Source
EmilyAI Triage
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
WS-LAP-010
User Account
p.thomas
Source IP
185.206.220.224
Destination IP
10.2.226.246
Origin Country
IR Iran

MITRE ATT&CK Mapping

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

Investigation Timeline

22:45:55 Event ingested by SOC365 Engine
22:46:00 EmilyAI triage started — correlation enrichment
22:46:10 EmilyAI confidence: 80% — escalated to human analyst
22:46:33 Alert assigned to analyst: Anika Patel
22:46:41 Investigation started — querying SIEM and threat intelligence
22:54:48 Containment action taken — endpoint isolated
23:02:49 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00141 3h ago Unauthorised USB Device Informational Resolved WS-PC-001
ALR-00470 5h ago Privilege Escalation Attempt Informational Investigating WS-LAP-010
ALR-00131 7h ago Unauthorised USB Device Low Resolved WS-LAP-012
ALR-00284 17h ago Kerberoasting Attempt Medium Open WS-LAP-010
ALR-00268 17h ago Unauthorised USB Device Critical Investigating SRV-MAIL-01