BusKill is an open-source hardware and software project that designs computer kill cords to protect the confidentiality of the system's data from physical theft.

A cross-platform rewrite of the software based on Kivy was released in August 2020 with support for Linux, OS X, and Windows.

[13] In December 2021, Alt Shift International OÜ ran a crowdfunding campaign to manufacture BusKill cables on Crowd Supply.

[18][26][27] If the computer is separated from the user, then a magnetic breakaway in the cable causes a USB hotplug removal event to execute a trigger in the app.

[29][30][31] If combined with full disk encryption, then these triggers can be used to ensure the confidentiality of data or be used as a counter-forensics device.