Abstract
By providing new sources of electronic evidence, the Internet of Things (IoT) has opened up new possibilities for digital forensics. Obtaining electronic data from IoT, on the other hand, is a difficult process for a variety of reasons, including the use of various types of standard interfaces, the use of light-weight data encryption, such as elliptic curve cryptography (ECC), and so on. The use of electromagnetic side-channel analysis (EM-SCA) to obtain forensically valuable electronic data from IoT devices has been proposed. EM side-channel analysis is a technique for eavesdropping on the operations and data handling of computing devices using unintentional electromagnetic emissions. However, successful EM-SCA attacks on IoT devices require expert knowledge and specialized tools that are not available to most digital forensic investigators. The electromagnetic side-channel (EM-SC) is one of several types of side-channel approaches for extracting usable electronic data from IoT devices. This paper with focus on Electromagnetic side-channel (EM-SC), the positive and negative usage and how to mitigate the negative usage. Keywords: Electromagnetic, Side-channels, digital forensics, IOT, electronic evidence, Africa.
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