Unauthorised USB Device
Low
Open
ALR-00149 · 2026-04-12T09:04:16Z
Description
Unauthorised USB mass storage device connected to WS-MAC-005 by user 'd.walker'. Device blocked by Network IDS endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
09:04:16
Event ingested by SOC365 Engine
09:04:18
EmilyAI triage started — correlation enrichment
09:04:31
EmilyAI confidence: 84% — escalated to human analyst
09:04:32
Alert assigned to analyst: EmilyAI (auto)
09:07:06
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00168 | 15m ago | Port Scan Detected | Medium | False Positive | WS-MAC-005 |
| ALR-00040 | 55m ago | Unauthorised USB Device | Low | Open | VM-DEV-01 |
| ALR-00167 | 2h ago | C2 Beacon Activity | Medium | Resolved | WS-MAC-005 |
| ALR-00384 | 2h ago | Anomalous DNS Query | High | Escalated | WS-MAC-005 |
| ALR-00390 | 2h ago | Unusual Outbound Traffic | Low | False Positive | WS-MAC-005 |