Unauthorised USB Device
Medium
Escalated
ALR-00178 · 2026-07-07T11:07:31Z
Description
Unauthorised USB mass storage device connected to WS-PC-002 by user 'k.brown'. Device blocked by Attack Surface Scanner endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
11:07:31
Event ingested by SOC365 Engine
11:07:34
EmilyAI triage started — correlation enrichment
11:07:36
EmilyAI confidence: 88% — escalated to human analyst
11:08:09
Alert assigned to analyst: Sarah Chen
11:08:29
Investigation started — querying SIEM and threat intelligence
11:14:11
Containment action taken — endpoint isolated
11:18:04
Alert resolved — remediation complete
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00312 | 45m ago | Anomalous DNS Query | Medium | False Positive | WS-PC-002 |
| ALR-00364 | 1h ago | Unauthorised USB Device | Informational | Open | WS-PC-004 |
| ALR-00382 | 4h ago | Credential Stuffing Attempt | Informational | Escalated | WS-PC-002 |
| ALR-00192 | 6h ago | Port Scan Detected | High | Investigating | WS-PC-002 |
| ALR-00388 | 12h ago | Malware Signature Match | Medium | Investigating | WS-PC-002 |