Unauthorised USB Device
Medium
Resolved
ALR-00411 · 2026-05-26T11:53:09Z
Description
Unauthorised USB mass storage device connected to SRV-SQL-01 by user 'h.roberts'. Device blocked by Endpoint Agent endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
11:53:09
Event ingested by SOC365 Engine
11:53:12
EmilyAI triage started — correlation enrichment
11:53:19
EmilyAI confidence: 84% — escalated to human analyst
11:53:41
Alert assigned to analyst: Marcus Webb
11:54:06
Investigation started — querying SIEM and threat intelligence
11:58:59
Containment action taken — endpoint isolated
12:06:17
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00063 | 4h ago | DLP Policy Violation | Low | Escalated | SRV-SQL-01 |
| ALR-00125 | 6h ago | Unauthorised USB Device | Low | Investigating | VM-DEV-01 |
| ALR-00457 | 7h ago | Unauthorised USB Device | High | Open | VM-DEV-01 |
| ALR-00162 | 13h ago | Unauthorised USB Device | Medium | Escalated | SW-CORE-01 |
| ALR-00468 | 19h ago | Unauthorised USB Device | Informational | False Positive | SRV-SQL-01 |