计算机数据安全隐患及防护措施

从分析计算机数据的物理安全和逻辑安全两个方面入手，对电磁波辐射、联网及病毒对计算机数据安全的威胁进行了论述，指出这是威胁计算机数据安全的主要因素，并提出了数据备份、数据安全删除、辐射屏蔽、病毒及入侵防护、文档加密等相应的安全防护措施和方法。

The Data Security and Hidden Trouble of Computer and its Measures of Protection

With the popularity of the computer and network technology, it promotes the society's development and social progress in an all-around way, simultaneously brings about many security problems, among which one of the most predominant is that the data security of computer users. Therefore every computer user should take these into consideration: how to protect data in effect which will not leak and even damage the important papers, technique secrets, materials in code and individual privacy. This article will analyze the principal factor that will threaten the computer users' data security by two sides of physical and logical security. And the author made a statement of the relevant preventive measures, such as data back-ups and deleted, radiation shielding, virus defend and protection, and encrypted computer documents.