POSTER:computer news || RESEARCHERS SUGGEST TO LISTEN HARD DRIVE FOR ACCESS TO SENSITIVE INFORMATION
DATE:2016-08-15
Existing methods of "espionage" for isolated from the network computers are based on reading all sorts of vibrations that a computer creates when interacting with the environment: it is either electromagnetic waves or flickering LEDs or acoustic disturbances. Experts at Cornell University has previously proposed to use changes in the CPU fan noise to read the important information at a distance by means of any device with a microphone. The technique allows you to read information from up to eight meters at a speed of up to 900 bits / hour.
A new study by American scientists has created DiskFiltration program that allows you to "listen to" stand-alone computer that is not only equipped with speakers or sound system, but also for safety reasons do not use the "smart" fan speed control in the cooling system of the CPU. The authors propose a technique to read the hard drive mechanism for noise isolation of critical information such as passwords and keys. As a "listening device" an ordinary smart phone can be used. However, it should be located at a distance of not more than two meters, information processing speed and does not exceed 180 bit / min.
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RESEARCHERS SUGGEST TO LISTEN HARD DRIVE FOR ACCESS TO SENSITIVE INFORMATION
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