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ZeroTrace USBLogger
USB pass-through keystroke logger
Incl. VAT · Ships from Germany
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- Two-Port USB Pass-Through Logging
- Live Streaming to the ZeroTrace Mobile App
- On-Board Flash Logging
- Ghost Mode Disables Pass-Through Instantly
Overview
The ZeroTrace USBLogger is a two-port USB pass-through keystroke logger for authorized lab work, research and controlled testing.
Powered by an ESP32-S3, it sits inline between a USB keyboard and the host, passing traffic through transparently while logging to a small on-board flash and streaming live to the ZeroTrace mobile app.
The keystroke path is wired pass-through, while a BLE link streams the log to the ZeroTrace mobile app. There is no Wi-Fi. A dedicated Ghost Mode instantly disables the pass-through and logging when you need the device to go inert. It ships as the bare device, no case. Each unit is flashed and security tested by us before it ships.
- pass-through
- 2x USB
- 240 MHz
- ESP32-S3
- app streaming
- Live
- mode
- Ghost
- No Wi-Fi · BLE Only for the App
Features
Two-Port USB Pass-Through
Sits inline between a USB keyboard and the host across two USB-A ports, passing traffic through transparently while it logs.
Live Mobile-App Streaming
A small on-board flash buffers the log and streams it live to the ZeroTrace mobile app, no laptop required.
Ghost Mode
Instantly disables the pass-through and logging, standing the device down to an inert state when you need it out of the loop.
Wired Data Path · BLE for the App
No Wi-Fi. The keystroke path is purely wired pass-through; BLE is used only to stream the log to the app.
Field-Ready Build
Flashed and security tested in-house, with regularly updated firmware.
Specifications
Hardware
- Processor
- ESP32-S3, 240 MHz dual-core
- Ports
- 2x USB-A (inline pass-through)
- Storage
- On-board flash log buffer
- Streaming
- Live to ZeroTrace mobile app over BLE
Physical
- Indicators
- RGB LED
In the box

ZeroTrace USBLogger Device
4×ZeroTrace Stickers
Ships from Germany · Incl. VAT
Questions
What is ZeroTrace USBLogger used for?
ZeroTrace USBLogger is built for authorized security testing, research, education and automation workflows.
Are updates included?
Yes. ZeroTrace products get lifetime firmware or software updates, with support straight from the developers.
Can teams buy in bulk?
Yes. Teams, labs and companies can order through the ZeroTrace business program: bulk hardware, lab bundles and software access.
No subscriptions, ever
One purchase, yours for life
Lifetime firmware updates
Same kit works in five years
From Germany
Cased and shipped in-house, EU jurisdiction
No-log policy
No telemetry on testing activity
Free EU shipping
3–5 business days
Fast delivery
Ships same or next day from Germany



