Bad Universal Serial Bus (badUSB) is a kind of device to attack computers by Universal Serial Bus (USB) port.It can camouflage as a normal USB device.The computer protective measure by anti-virus software is invalid.The attack from badUSB is very difficult to block.This paper introduces and verifies a device to block the badUSB by micro-controller USB host.The device is low-cost,small volume and highly safe,and the communication bandwidth of USB port is normal.
Key words
badUSB /
STM32F405RG /
information security /
TS3USB221
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