Category Archives: badusb

Good USB – Protecting Your Ports With Two Microcontrollers

If you’ve ever needed an example of why you should not plug random USB peripherals into your computer, you need only look at BadUSB. The BadUSB attack relies on the fact that the microcontroller inside every USB device is a black box. If you plug a USB thumb drive into your computer, the microcontroller could quickly set up an additional network interface, forward all your traffic to the attacker’s server, and still keep serving up all those files and documents on the drive. Do you want a thumb drive that attaches a virus to every file? Bad USB can do …read more

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Duckhunting – Stopping Rubber Ducky Attacks

One morning, a balaclava-wearing hacker walks into your office. You assume it’s a coworker, because he’s wearing a balaclava. The hacker sticks a USB drive into a computer in the cube next door. Strange command line tools show up on the screen. Minutes later, your entire company is compromised. The rogue makes a quick retreat carrying a thumb drive in hand.

This is the scenario imagined by purveyors of balaclavas and USB Rubber Duckys, tiny USB devices able to inject code, run programs, and extract data from any system. The best way — and the most common — to prevent …read more

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