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USB is widely used for uncomplicated data transfer in today’s informational society. However, despite its benefit for the mobility of information, USB itself contains a problem which the saved data can be easily disclosed with a simple click.
USBsign is a USB device with strengthened security where data files is accessible only by the user’s distinct code. This distinct code verifies the usb owner and therefore it can prevent unintentional or accidental disclosure of data.
The user’s distinct signature inscribed in the usb increases the security level of the device. No one expect the user can open the files saved in the usb.


Korea University

Korea University
Seoul, South Korea

kim hyun , lee tae-il


Korea University

Korea University
Seoul, South Korea

eim sang-hyun (korea univ.) park ji-eun (korea univ.)