People have been fired for this. The software or usb devices are detectable to system administrators.
Need someone more physical like this to not be detected.
https://a.co/d/0c6RAHkz
Psh. This has been done long long before.
https://youtu.be/R_rF4kcqLkI?si=Bso7TaZqIOq5EvVY&t=172