maltfield

@maltfield@monero.town

I make and sell BusKill laptop kill cords. Monero is accepted.

michaelaltfield.net

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maltfield,

It has a magnetic (de)coupler, which allows it to break away at any angle if your laptop is physically snatched away from you.

Some of our users actually use the BusKill cable with a Yubikey:

If that’s not clear, I highly recommend watching this 2-minute explainer video

maltfield,

This article is literally a guide to building your own.

maltfield,

You’d need magnets, pogo pins, wire, glue, solder, etc. The list of materials needed is listed in the “Materials” section of this article.

@goldfishlaser can provide more info

maltfield,

I build open-source USB Dead Man Switches and the accompanying (also free) software

https://www.buskill.in/#demo*Watch the BusKill Explainer Video for more info youtube.com/v/qPwyoD_cQR4*You attach the kill cable to your body and if the connection between you to your computer is severed, then your device will lock, shutdown, or shred its encryption keys. It’s designed to protect high-risk users’ data. Data could include private keys (eg theft of cryptocurrency assets), contacts of correspondence (eg sources of a journalist – such as whistleblowers), etc.

maltfield,

Unfortunately, that’s what it costs to make open-source hardware at small-scale.

There’s a cheaper $59 cable available or you could build your own.

maltfield,

I’ve paid myself nothing so-far. The price just barely breaks-even for the business. There’s one-time costs like a few grand for a CNC’d injection mold and assembly jig, but also certification fees, product boxes, cardstock paper for documentation inserts, printing fees, artist commissions, packaging materials, warehousing, shipping, other logistics fees, etc.

All of this is explained in-detail in “The Finances” section here.

I prefer open-source hardware to be designed using common off-the-shelf items that are easily found everywhere in the world. Unfortunately, the one vendor of a USB-A magnetic breakaway couplers decided to EOL their product shortly after I published a guide on how to build your own BusKill cable. After we published, they all got sold-out, and we had to go to manufacturers for a custom component.

Prices would drop dramatically if we could do production runs (and actually sell) >10,000 units at a time. Currently we only sell a few cables per month. If you want to help, please tell all your security-conscious friends about BusKill :)

maltfield,

It’s called cross-posting. Welcome to Lemmy.

maltfield,

It should only be posted once to this community. It’s also been cross-posted to other relevant communities.

maltfield,

Theft of high-risk users’ data. Data could include private keys (eg theft of cryptocurrency assets), contacts of correspondence (eg sources of a journalist – such as whistleblowers), etc.

For more information, see the Who Uses BusKill? section of the documentation.

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