I suspect some hubs would be suitable for buffering against that sort of attack. Not sure which though, or whether a more subtle approach (some sort of pulsed p

I suspect some hubs would be suitable for buffering against that sort of attack. Not sure which though, or whether a more subtle approach (some sort of pulsed power to avoid tripping polyfuses, perhaps) would still be practical. If you wanted to be a dick, I think replacing the insides of a USB stick with a large charged capacitor and leaving them in parking lots would be the way to go.