31 May '15, 4pm

DIY USB Condom Circuit

DIY USB Condom Circuit

In a commercial manner, “usb condom” is a security device for preventing data theft through universal serial bus (usb) interface, and is widely used by many smart phone owners to protect their valuable datas from “juice jacking”. Since most of the smart phones on the market have been designed to employ the same port (usb) for charging the phone as data transfer, there is an opportunity to cheat a user in need of a re-charge to expose their smart phone’s data port. This “art of exploitation” is known as “juice jacking”! Fortunately, it is easy for you to build your own usb condom to prevent accidental data exchange when your smart phone is plugged into a strange computer or a public charging station. The minuscule circuit described here minimizes the chances to steal your sensitive data or install malware on your smart phone/mobile device by isolating the data pins on any U...

Full article: http://www.electroschematics.com/11871/diy-usb-condom-cir...

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