https://securityaffairs.com/95979/hacking/buskill-kill-cord.html
BusKill, a $20 USB Dead Man’s Switch for Linux Laptop
Jan 4, 2020 - 'BusKill' is USB cable that shuts down or wipes a Linux laptop when it is stolen, it is a kill cord Dead Man Switch to trigger the machine to self-destruct.
usb deadlinux laptopbuskill
https://www.pcworld.com/article/560619/this-usb-dead-mans-switch-cable-for-laptops-is-one-cat-tug-away-from-catastrophe.html
This USB 'dead man's switch' locks down (or kills) snatched laptops | PCWorld
Dec 17, 2021 - The magnetic breakaway cable can wipe a storage drive the second a laptop is stolen.
usb deadmanswitchlockskills