现今商业环境与五年前相比有着显著不同。由于互联网的不断普及,公司之间的联系比以往更加密切。因此公司必须在发展或提高生产力的同时确保其网络的安全。据ICSA统计,目前来自计算机系统内部的安全威胁高达60%。因为,不同于早期的集中式应用,现在企业的计算机系统大多是基于客 The business climate today is significantly different from what it was five years ago. Due to the increasing popularity of the Internet, companies are more closely connected than ever before. Companies must therefore ensure the security of their networks while developing or improving their productivity. According to ICSA statistics, security threats from computer systems are currently as high as 60%. Because, unlike earlier centralized applications, the business computer systems are mostly based on customer