1.5 Technical Channels of Information Leakage
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Fig. 1.21 Diagram of interception of CE-processed information by method of “high-frequency
irradiation”
Fig. 1.22 Structure of a technical channel of information leakage created by CE “high-frequency
irradiation”
By the type of intercepted information, hardware Trojans introduced in the CE
can be divided into [1, 22]:
• Hardware Trojans for intercepting images displayed on the screen;
• Hardware Trojans for intercepting information entered from a computer keyboard;