Unauthorised USB Device
Low
Escalated
ALR-00110 · 2026-05-26T20:12:27Z
Description
Unauthorised USB mass storage device connected to AP-WIFI-03 by user 'f.hall'. Device blocked by Network IDS endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
20:12:27
Event ingested by SOC365 Engine
20:12:28
EmilyAI triage started — correlation enrichment
20:12:36
EmilyAI confidence: 97% — escalated to human analyst
20:12:53
Alert assigned to analyst: EmilyAI (auto)
20:15:00
Investigation started — querying SIEM and threat intelligence
20:17:06
Containment action taken — endpoint isolated
20:22:32
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00167 | 3h ago | Suspicious PowerShell Execution | Medium | Open | AP-WIFI-03 |
| ALR-00015 | 3h ago | Unauthorised USB Device | Informational | False Positive | AP-WIFI-03 |
| ALR-00383 | 6h ago | Unauthorised USB Device | Medium | Investigating | WS-PC-003 |
| ALR-00132 | 6h ago | Shadow IT Discovery | Low | Open | AP-WIFI-03 |
| ALR-00484 | 9h ago | Unauthorised USB Device | Low | Open | SRV-SQL-01 |