Unauthorised USB Device
Low
Open
ALR-00313 · 2026-05-21T19:49:51Z
Description
Unauthorised USB mass storage device connected to WS-PC-004 by user 'system'. Device blocked by Attack Surface Scanner endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
19:49:51
Event ingested by SOC365 Engine
19:49:56
EmilyAI triage started — correlation enrichment
19:50:01
EmilyAI confidence: 90% — escalated to human analyst
19:50:15
Alert assigned to analyst: EmilyAI (auto)
19:50:49
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00392 | 3h ago | Kerberoasting Attempt | Medium | Investigating | WS-PC-004 |
| ALR-00266 | 4h ago | Unusual Outbound Traffic | Critical | Open | WS-PC-004 |
| ALR-00247 | 5h ago | Unauthorised USB Device | Low | False Positive | WS-PC-004 |
| ALR-00426 | 9h ago | Port Scan Detected | Medium | Resolved | WS-PC-004 |
| ALR-00473 | 23h ago | Unauthorised USB Device | Low | Escalated | WS-PC-004 |