Unauthorised USB Device
Medium
Investigating
ALR-00375 · 2026-04-07T18:52:43Z
Description
Unauthorised USB mass storage device connected to WS-PC-001 by user 'r.davies'. Device blocked by Firewall endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
18:52:43
Event ingested by SOC365 Engine
18:52:44
EmilyAI triage started — correlation enrichment
18:52:52
EmilyAI confidence: 86% — escalated to human analyst
18:53:01
Alert assigned to analyst: Marcus Webb
18:53:30
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00380 | 2h ago | Suspicious Scheduled Task | Low | Escalated | WS-PC-001 |
| ALR-00096 | 8h ago | Unauthorised USB Device | Medium | Open | SRV-FILE-01 |
| ALR-00404 | 9h ago | Kerberoasting Attempt | Low | Escalated | WS-PC-001 |
| ALR-00174 | 13h ago | Unauthorised USB Device | Low | False Positive | SRV-MAIL-01 |
| ALR-00393 | 17h ago | Privilege Escalation Attempt | Medium | Resolved | WS-PC-001 |