Unauthorised USB Device
Medium
Open
ALR-00331 · 2026-07-07T06:04:52Z
Description
Unauthorised USB mass storage device connected to SRV-WEB-01 by user 'l.johnson'. Device blocked by Endpoint Agent endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
06:04:52
Event ingested by SOC365 Engine
06:04:54
EmilyAI triage started — correlation enrichment
06:05:02
EmilyAI confidence: 81% — escalated to human analyst
06:05:20
Alert assigned to analyst: Emma Richardson
06:06:21
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00220 | 8m ago | Unauthorised USB Device | Low | Open | WS-PC-003 |
| ALR-00054 | 1h ago | Phishing Email Blocked | Medium | False Positive | SRV-WEB-01 |
| ALR-00492 | 2h ago | Tor Exit Node Connection | Low | False Positive | SRV-WEB-01 |
| ALR-00441 | 9h ago | Data Exfiltration Attempt | Low | Resolved | SRV-WEB-01 |
| ALR-00428 | 16h ago | Unauthorised USB Device | Low | False Positive | SRV-SQL-01 |