随着电子信息技术的迅猛发展以及互联网应用在各个领域的飞速延伸,人们已越来越习惯运用各类OFFICE办公、网络即时通讯、电子邮件等电子技术产品进行信息传递和事实记录,这些信息均以数据形式存储于网络服务器、本地硬盘以及光盘等各类存储介质,并以电子文档、图像、注册表信息、系统文件、网页缓存等多种电子文件形式予以记录,随着人们对各类电子技术产品依赖程度 With the rapid development of electronic information technology and the rapid expansion of Internet applications in various fields, people are increasingly accustomed to using various types of electronic products such as OFFICE office, instant messenger, e-mail and the like for information transfer and factual recording It is stored in the form of data on a variety of storage media such as web server, local hard disk and optical disk, and recorded in the form of electronic documents, images, registry information, system files, web cache and other electronic files. With the development of various electronic Technical product dependence