Unauthorised USB Device
Medium
Escalated
ALR-00492 · 2026-05-23T02:51:52Z
Description
Unauthorised USB mass storage device connected to VM-DEV-01 by user 'k.brown'. Device blocked by Email Gateway endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
02:51:52
Event ingested by SOC365 Engine
02:51:54
EmilyAI triage started — correlation enrichment
02:52:00
EmilyAI confidence: 96% — escalated to human analyst
02:52:19
Alert assigned to analyst: Marcus Webb
02:53:59
Investigation started — querying SIEM and threat intelligence
02:56:02
Containment action taken — endpoint isolated
03:02:33
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00209 | 6h ago | Unauthorised USB Device | Medium | Escalated | SRV-WEB-01 |
| ALR-00058 | 8h ago | Unauthorised USB Device | Medium | Escalated | SRV-WEB-01 |
| ALR-00262 | 12h ago | Unauthorised USB Device | Medium | Escalated | WS-LAP-012 |
| ALR-00363 | 14h ago | Unauthorised USB Device | Medium | Open | SRV-DC-01 |
| ALR-00405 | 16h ago | Unauthorised USB Device | Medium | Resolved | SRV-WEB-01 |