Unauthorised USB Device
Informational
Escalated
ALR-00291 · 2026-05-20T22:26:27Z
Description
Unauthorised USB mass storage device connected to SRV-FILE-01 by user 'k.brown'. Device blocked by EmilyAI Triage endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
22:26:27
Event ingested by SOC365 Engine
22:26:28
EmilyAI triage started — correlation enrichment
22:26:33
EmilyAI confidence: 98% — escalated to human analyst
22:26:42
Alert assigned to analyst: EmilyAI (auto)
22:27:41
Investigation started — querying SIEM and threat intelligence
22:31:44
Containment action taken — endpoint isolated
22:41:15
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00190 | 1h ago | Unauthorised USB Device | Medium | Open | SRV-DC-01 |
| ALR-00207 | 8h ago | Pass-the-Hash Detected | High | Escalated | SRV-FILE-01 |
| ALR-00188 | 18h ago | Unauthorised USB Device | Medium | False Positive | WS-LAP-010 |
| ALR-00298 | 23h ago | Lateral Movement Detected | Informational | Resolved | SRV-FILE-01 |
| ALR-00410 | 1d ago | Unauthorised USB Device | High | Investigating | WS-LAP-010 |