This disclosure relates to the field of recognizing a security attack by a USB device on a computer. This
method involves recognizing when a corrupted device would surreptitiously reconfigure itself and attack
the computer system that is attached to.
The universal serial bus (USB) is a flexible interface for connecting all kinds of computer input and
output device. Computer systems are generally very open and facilitate both physically accessible “walk
up ports” to the exterior of the chassis and pre‐install a very broad number of “lass device”drivers that
read the configuration and identification of the device and automatically enable the plugged‐in device.
USB is also commonly used as an internal connection to the computer, because of its low cost for
implementation such devices such as touchscreens, fingerprint readers, memory card readers, etc. may
function by the connection of USB to the device.
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INC, HP, "INTEGRITY CHECK FOR USB DEVICES", Technical Disclosure Commons, (March 19, 2020)