Abstract
Recently the technical channel of information leakage from electromagnetic emanation more and more interesting for specialists in the field of information security. At the same time, new versions of data transfer interfaces are being developed, that quickly distribute around the world. The use methods to detecting informative frequencies are based on the principles of operation of old data transfer interfaces, consider only the harmonics of the signal, excluding information about its type and interfaces that transmit information to. Accordingly, these methods to detecting informative frequencies of modern data transfer interfaces, such as high definition multimedia interface, do not reflect the completeness and may contain errors, which negatively affects the measurement stage. The article suggests a method to detecting informative signals of compromising emanation from modern data transmission interfaces, such as high definition multimedia interface, using an anechoic chamber, special test program and control program for measuring equipment. The proposed method will be useful both for educational purposes and for beginners in the field of technical information security.
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