A user connected a new USB storage device to a host

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2026-03-01
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent with eXtended Threat Hunting (XTH)

Detection Modules

Identity Threat Module

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

A user connected a new USB storage device that was not seen for this user and host in the last 30 days.

Attacker's Goals

The attacker may use a USB storage device connection for data exfiltration or data collection.

Investigative actions

Investigate the USB storage device-related process and file events to determine if it was used for legitimate purposes or malicious activity.