Georgia Tech researchers Alenka Zajic and Milos Prvulovic use a simple AM/FM radio to pick up side-channel signals from a cell phone. Such unintentional signals could be used to learn what computations are being done by the device.
Georgia Tech researcher Alenka Zajic measures electromagnetic emissions from various components of a desktop computer. The researchers have studied emissions from desktop and laptop computers, as well as cellphones.
Georgia Tech researcher Alenka Zajic measures electromagnetic emissions from various components of a desktop computer. The researchers have studied emissions from desktop and laptop computers, as well as cellphones.