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Unauthorised USB Device

Medium Resolved
ALR-00297 · 2026-07-11T13:36:26Z

Description

Unauthorised USB mass storage device connected to AP-WIFI-03 by user 's.jones'. Device blocked by Endpoint Agent endpoint policy.

Alert Metadata

Alert ID
ALR-00297
Timestamp
2026-07-11T13:36:26Z
Severity
Medium
Status
Resolved
Detection Source
Endpoint Agent
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
AP-WIFI-03
User Account
s.jones
Source IP
91.178.195.110
Destination IP
10.1.241.254
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

13:36:26 Event ingested by SOC365 Engine
13:36:27 EmilyAI triage started — correlation enrichment
13:36:32 EmilyAI confidence: 96% — escalated to human analyst
13:36:53 Alert assigned to analyst: James Okonkwo
13:39:14 Investigation started — querying SIEM and threat intelligence
13:41:38 Containment action taken — endpoint isolated
13:47:44 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00095 24m ago Malware Signature Match Informational Open AP-WIFI-03
ALR-00305 5h ago Brute Force SSH Low Resolved AP-WIFI-03
ALR-00495 6h ago C2 Beacon Activity Medium Open AP-WIFI-03
ALR-00382 7h ago Pass-the-Hash Detected Low Escalated AP-WIFI-03
ALR-00005 10h ago Malware Signature Match Medium Open AP-WIFI-03