Unauthorised USB Device
Informational
Resolved
ALR-00262 · 2026-07-06T18:47:28Z
Description
Unauthorised USB mass storage device connected to SRV-FILE-01 by user 'r.davies'. Device blocked by Email Gateway endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
18:47:28
Event ingested by SOC365 Engine
18:47:33
EmilyAI triage started — correlation enrichment
18:47:42
EmilyAI confidence: 80% — escalated to human analyst
18:48:09
Alert assigned to analyst: EmilyAI (auto)
18:48:30
Investigation started — querying SIEM and threat intelligence
18:54:24
Containment action taken — endpoint isolated
18:57:37
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00321 | 57m ago | Insider Threat Indicator | Low | Investigating | SRV-FILE-01 |
| ALR-00364 | 1h ago | Unauthorised USB Device | Informational | Open | WS-PC-004 |
| ALR-00452 | 9h ago | DecoyPulse Honeypot Triggered | Medium | Investigating | SRV-FILE-01 |
| ALR-00047 | 10h ago | Tor Exit Node Connection | High | Investigating | SRV-FILE-01 |
| ALR-00322 | 17h ago | Unauthorised USB Device | Low | False Positive | WS-PC-001 |