Unauthorised USB Device
Low
Open
ALR-00028 · 2026-04-09T20:58:04Z
Description
Unauthorised USB mass storage device connected to WS-PC-003 by user 'l.johnson'. Device blocked by Network IDS endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
20:58:04
Event ingested by SOC365 Engine
20:58:09
EmilyAI triage started — correlation enrichment
20:58:09
EmilyAI confidence: 96% — escalated to human analyst
20:58:48
Alert assigned to analyst: EmilyAI (auto)
20:59:13
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00200 | 2h ago | Credential Stuffing Attempt | Informational | Escalated | WS-PC-003 |
| ALR-00250 | 13h ago | Rogue DHCP Server | Informational | Investigating | WS-PC-003 |
| ALR-00127 | 17h ago | Failed MFA Challenge | Medium | Investigating | WS-PC-003 |
| ALR-00237 | 18h ago | Unauthorised USB Device | Medium | Open | WS-PC-003 |
| ALR-00267 | 21h ago | Certificate Anomaly | Low | Escalated | WS-PC-003 |