| With the rapid economic and social progress and development of network technology, the Internet has become increasingly penetrate into people’s daily work and life, is playing an increasingly irreplaceable role. But also the breeding ground for a large number of cyber crimes. In recent years, the phenomenon of Internet crimes showing growing trend, types and forms of crime tends to be diverse, subtle and complicated, more difficult to bring cases detected. In this context, the research network to improve network forensics crime investigation case detection rate to curb cybercrime behavior has important practical significance.This paper is divided into four parts. The first chapter is the concept,characteristics and trends and other aspects of cybercrime overview o The second chapter is based on the characteristics of cybercrime, based on analysis of the main focus of the current difficulties and problems in the investigation of criminal cases network forensics and investigative collaboration exist. The third chapter is based on three aspects of cyber crime investigation hard evidence on the reasons for the difficulties and problems, focusing not perfect from the relevant laws and regulations, investigation and handling mechanisms are inadequate personnel, lack of technical equipment such as depth. The fourth chapter is an analysis on the front and on the basis of the study, for the difficulties and problems, combined with the actual work, proposed the establishment of a network for information exchange platform criminal cases, improve relevant laws and regulations of electronic data and evidence collection, handling and improve inter-regional cooperation mechanisms to improve staff investigation level, with professional technical equipment suggestions.Because of this research involves law, criminology, investigation, computer and network science and many other disciplines, many places still need to study and work in the future depth study of impropriety please forgive me. |