Unauthorised USB Device
Informational
Investigating
ALR-00162 · 2026-05-23T21:38:39Z
Description
Unauthorised USB mass storage device connected to SW-CORE-01 by user 'a.wilson'. Device blocked by Email Gateway endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
21:38:39
Event ingested by SOC365 Engine
21:38:44
EmilyAI triage started — correlation enrichment
21:38:50
EmilyAI confidence: 91% — escalated to human analyst
21:39:08
Alert assigned to analyst: EmilyAI (auto)
21:39:58
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00403 | 5h ago | Suspicious Scheduled Task | Informational | Investigating | SW-CORE-01 |
| ALR-00131 | 10h ago | Lateral Movement Detected | Low | Investigating | SW-CORE-01 |
| ALR-00243 | 12h ago | Unauthorised USB Device | Medium | Resolved | SRV-FILE-01 |
| ALR-00240 | 14h ago | Unauthorised USB Device | Low | Investigating | SRV-BACKUP-01 |
| ALR-00091 | 1d ago | Unauthorised USB Device | Informational | False Positive | FW-EDGE-01 |