Unauthorised USB Device
High
Escalated
ALR-00453 · 2026-07-08T23:13:25Z
Description
Unauthorised USB mass storage device connected to SRV-APP-01 by user 'f.hall'. Device blocked by DecoyPulse endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
23:13:25
Event ingested by SOC365 Engine
23:13:28
EmilyAI triage started — correlation enrichment
23:13:30
EmilyAI confidence: 82% — escalated to human analyst
23:13:57
Alert assigned to analyst: Anika Patel
23:16:01
Investigation started — querying SIEM and threat intelligence
23:17:02
Containment action taken — endpoint isolated
23:26:29
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00292 | 2h ago | Phishing Email Blocked | Low | Open | SRV-APP-01 |
| ALR-00463 | 11h ago | Unauthorised USB Device | Low | Investigating | AP-WIFI-03 |
| ALR-00432 | 17h ago | Unauthorised USB Device | Informational | False Positive | SRV-BACKUP-01 |
| ALR-00088 | 22h ago | Unauthorised USB Device | Medium | Resolved | FW-EDGE-01 |
| ALR-00177 | 1d ago | Certificate Anomaly | Medium | False Positive | SRV-APP-01 |