Unauthorised USB Device
Low
False Positive
ALR-00139 · 2026-07-09T10:44:43Z
Description
Unauthorised USB mass storage device connected to SRV-DC-01 by user 'n.clark'. Device blocked by DLP Module endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
10:44:43
Event ingested by SOC365 Engine
10:44:46
EmilyAI triage started — correlation enrichment
10:44:50
EmilyAI confidence: 79% — escalated to human analyst
10:45:11
Alert assigned to analyst: EmilyAI (auto)
10:46:27
Investigation started — querying SIEM and threat intelligence
10:48:12
Containment action taken — endpoint isolated
10:55:19
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00107 | 6h ago | Unauthorised USB Device | Informational | Investigating | SRV-DC-01 |
| ALR-00007 | 12h ago | DecoyPulse Honeypot Triggered | Medium | False Positive | SRV-DC-01 |
| ALR-00354 | 14h ago | Suspicious PowerShell Execution | High | Escalated | SRV-DC-01 |
| ALR-00337 | 15h ago | Rogue DHCP Server | Low | Escalated | SRV-DC-01 |
| ALR-00209 | 21h ago | Data Exfiltration Attempt | Low | False Positive | SRV-DC-01 |