In the era of computer networks, digital, network, information, with the rapid development of high technology has also brought many problems. Widespread use of network, the network increasing proportion of the population, and uneven quality of the network, network become a new type of criminal tools, criminal place. Crime prevention network, has become the computer field, the legal profession must face one of the topics. And how to resist the various modus operandi, how to do in the case of the detection process did not miss any clues, it became a breakthrough in fight against computer crime areas. This paper[1] firstly outlines the theory of electronic evidence, feature analysis, which describes computer crime / network crime cases in the exploration of electronic evidence collection, extraction and analysis. [1] This work is partially supported by the Opening Project of Key Lab of Information Networks Security of Ministry of Public Security（C09608）
The Key Technology of Electronic Evidence Collection Research Based on Cloud Computing