Unauthorised USB Device
Low
Open
ALR-00268 · 2026-04-09T17:25:57Z
Description
Unauthorised USB mass storage device connected to WS-PC-002 by user 'k.brown'. Device blocked by Email Gateway endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
17:25:57
Event ingested by SOC365 Engine
17:25:58
EmilyAI triage started — correlation enrichment
17:26:06
EmilyAI confidence: 85% — escalated to human analyst
17:26:27
Alert assigned to analyst: EmilyAI (auto)
17:27:15
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00463 | 2h ago | Phishing Email Blocked | High | Open | WS-PC-002 |
| ALR-00441 | 4h ago | Unauthorised USB Device | Informational | False Positive | SRV-MAIL-01 |
| ALR-00464 | 6h ago | Unauthorised USB Device | Informational | Escalated | WS-PC-002 |
| ALR-00021 | 6h ago | Suspicious Scheduled Task | Low | Resolved | WS-PC-002 |
| ALR-00186 | 8h ago | Unauthorised USB Device | Medium | Investigating | WS-PC-004 |