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Based on the actual data, cases of cyber ceimes and the author's experience of attending crime investigation, this article analyzes the characteristics and tendency of new cybercrimes, talks about the requirements of cybercrime prevention and control, and shows us the problems of cybercrime investigation for obtaining evidence. The investigation department should improve the ability to investigate and collect evidence from the material evidence to the electronic evidence. There're some problems that must be paid attention in the process of electronic evidence collection. The readers will get to know the techniques and methods of cybercrime scene protection, site investigation and online tracking in the investigation of cybercrime cases. The basic principles of extracting electronic evidence are expounded. The cybercrime investigation process is refined. The model of cybercrime investigation and evidence collection is constructed.
Wu et al. (Fri,) studied this question.