Interactive Demo — Simulated data only. Back to SOC in a Box
SOC365 Dashboard
Acme Legal Services Ltd Live 20:49:28 UTC

Unauthorised USB Device

Informational Resolved
ALR-00157 · 2026-07-08T04:11:54Z

Description

Unauthorised USB mass storage device connected to SRV-MAIL-01 by user 'f.hall'. Device blocked by Email Gateway endpoint policy.

Alert Metadata

Alert ID
ALR-00157
Timestamp
2026-07-08T04:11:54Z
Severity
Informational
Status
Resolved
Detection Source
Email Gateway
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-MAIL-01
User Account
f.hall
Source IP
91.161.195.56
Destination IP
10.3.150.80
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

04:11:54 Event ingested by SOC365 Engine
04:11:56 EmilyAI triage started — correlation enrichment
04:12:01 EmilyAI confidence: 83% — escalated to human analyst
04:12:12 Alert assigned to analyst: EmilyAI (auto)
04:13:17 Investigation started — querying SIEM and threat intelligence
04:18:00 Containment action taken — endpoint isolated
04:30:51 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00488 1h ago Unauthorised USB Device Medium Open SRV-DC-01
ALR-00078 4h ago Credential Stuffing Attempt Informational Escalated SRV-MAIL-01
ALR-00399 7h ago Failed MFA Challenge Low Open SRV-MAIL-01
ALR-00067 16h ago C2 Beacon Activity High Open SRV-MAIL-01
ALR-00303 16h ago Unauthorised USB Device Low False Positive WS-PC-006