“As if hackers, state-sponsored cyber intruders and rogue insiders weren’t enough to protect against for federal agencies, you can now purchase a USB stick that will destroy any unprotected device it plugs into. Called USB Kill and about the size of a ticket stub, the device ‘rapidly charges its capacitors from the USB power line,’ and then discharges that power all at once to ‘instantly and permanently disable unprotected hardware,’ according to the Hong Kong-based manufacturer.”
Source: You Can Now Buy a USB Stick That Destroys Any Computer – Nextgov.com