Unauthorised USB Device
Low
Resolved
ALR-00312 · 2026-05-26T18:00:12Z
Description
Unauthorised USB mass storage device connected to WS-PC-004 by user 'a.wilson'. Device blocked by DecoyPulse endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
18:00:12
Event ingested by SOC365 Engine
18:00:16
EmilyAI triage started — correlation enrichment
18:00:26
EmilyAI confidence: 86% — escalated to human analyst
18:00:46
Alert assigned to analyst: EmilyAI (auto)
18:02:06
Investigation started — querying SIEM and threat intelligence
18:05:36
Containment action taken — endpoint isolated
18:12:42
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00498 | 6h ago | Unauthorised USB Device | Medium | Resolved | WS-MAC-005 |
| ALR-00282 | 8h ago | DLP Policy Violation | Informational | Escalated | WS-PC-004 |
| ALR-00471 | 16h ago | Unauthorised USB Device | Medium | False Positive | FW-EDGE-01 |
| ALR-00300 | 18h ago | Unauthorised USB Device | Low | Resolved | SRV-WEB-01 |
| ALR-00106 | 22h ago | Unauthorised USB Device | Low | Escalated | SRV-BACKUP-01 |