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What Is A USB Condom? How Does It Work?

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A USB Condom is a small and unobtrusive dongle. It effectively turns any USB cable into a secure ‘charge-only’ cable to allow safe recharging from untrusted USB ports.


USB Condom. Photo: HuffPost UK.


When you connect your mobile devices to USB ports, sometimes it automatically turns itself into a data transfer medium. With a USB condom, you do not have to worry about what else that USB port is up to.


The USB port is a wonderful concept – after all, being able to transfer data and power through a single connection seems genius, but how do you know that your device isn’t leaking your secrets in exchange for that power top-up?

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Prevent Juice-Jacking

If you’re worried about juice-jacking, then, a USB Condom is for you. It sits between your device and the untrusted USB port. This allows your device to charge without fear that your data will be stolen or your device infected with malware.


It works by electronically disabling the connector’s data pins, which converts your USB cable into a charge-only cable, and thus prevents data from being transferred to or from your device.


All you have to do is pop the USB condom on the end of your charging cable, and you’re ready for a recharge.


The USB Condom is available in three different flavors: Type A, Mini B, and Micro B connectors. For $10 you can get USB condoms and insert your USB into a charging hole without fear.


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