Unauthorised USB Device
Medium
Investigating
ALR-00454 · 2026-04-09T23:55:20Z
Description
Unauthorised USB mass storage device connected to SRV-SQL-01 by user 'a.wilson'. Device blocked by Dark Web Monitor endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
23:55:20
Event ingested by SOC365 Engine
23:55:24
EmilyAI triage started — correlation enrichment
23:55:26
EmilyAI confidence: 88% — escalated to human analyst
23:55:52
Alert assigned to analyst: Sarah Chen
23:57:09
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00449 | 5h ago | Unauthorised USB Device | Medium | False Positive | FW-EDGE-01 |
| ALR-00440 | 13h ago | Anomalous DNS Query | Critical | Investigating | SRV-SQL-01 |
| ALR-00211 | 16h ago | Unauthorised USB Device | Low | False Positive | SRV-APP-01 |
| ALR-00147 | 20h ago | Unauthorised USB Device | High | Open | WS-PC-004 |
| ALR-00277 | 22h ago | Rogue DHCP Server | Low | Investigating | SRV-SQL-01 |