Unauthorised USB Device
Informational
Resolved
ALR-00260 · 2026-05-24T03:09:44Z
Description
Unauthorised USB mass storage device connected to SRV-SQL-01 by user 'r.davies'. Device blocked by DLP Module endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
03:09:44
Event ingested by SOC365 Engine
03:09:49
EmilyAI triage started — correlation enrichment
03:09:52
EmilyAI confidence: 94% — escalated to human analyst
03:10:14
Alert assigned to analyst: EmilyAI (auto)
03:12:31
Investigation started — querying SIEM and threat intelligence
03:13:19
Containment action taken — endpoint isolated
03:25:01
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00485 | 44m ago | Brute Force SSH | Low | False Positive | SRV-SQL-01 |
| ALR-00225 | 11h ago | Suspicious Scheduled Task | Low | False Positive | SRV-SQL-01 |
| ALR-00458 | 21h ago | Pass-the-Hash Detected | Low | Open | SRV-SQL-01 |
| ALR-00033 | 22h ago | Unauthorised USB Device | High | Investigating | WS-PC-006 |
| ALR-00007 | 1d ago | Unauthorised USB Device | Medium | Resolved | WS-LAP-011 |