An ethical hacker has built a device using a £4 single board computer that can hack a locked PC in less than sixty seconds. Samy Kamkar, a security researcher and whistleblower, used a Raspberry Pi Zero to build an Ethernet over USB device, dubbed PoisonTap, that can hijack internet traffic on the target computer even if the system has been locked.
According to Kamkar’s blog, the PoisonTap:
PoisonTap can bypass the following security:
Kamkar reveals that, short of severing USB connectivity from your computer, the best way to protect against the kind of attack that PoisonTap is capable of is to set your system to hibernate, rather than sleep. While PoisonTap is a white hat proof-of-concept, to show that it is possible, Kamkar has released the source code he used to achieve the feat. Start blocking your USB ports now.
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