
Further Reading: USB Killer, yours for £50, lets you easily fry almost every device
If you haven't heard of the USB Killer before, it's essentially a USB stick with a bunch of capacitors hidden within. When you plug it into a host device (a smartphone, a PC, an in-car or in-plane entertainment system), those capacitors charge up—and then a split second later, the stick dumps a huge surge of electricity into the host device, at least frying the port, but usually disabling the whole thing...
The new USB Killer V3, which costs about £50/$50, is apparently 1.5 times more powerful than its predecessor, is more lethal (it pumps out eight to 12 surges per second), and is itself more resistant to setups that might cause the USB Killer to fry itself. more
Spybusters Tip #783 - Block your USB ports with a USB lock and security tape. Aside from Killer Stick sabotage, USB ports are virus injection portals.