对于港口以及铁路企业而言,安全是企业的根本,是企业的生命线。而计算机网络的应用安全性与可靠性也关系到企业未来的长远发展。尽管现如今计算机的广泛应用已经渗透到了人们日常生活中的方方面面,利用计算机对信息数据进行采集和加工处理等,逐渐成为人们日常生活和生产中不可缺少的一个部分,但是计算机的使用安全问题仍不能忽视,计算机一旦被黑客攻击之后,势必会让不法分子有可乘之机从而造成不可估量的损失。因此,对计算机的网络安全进行有效分析对企业发展有着特殊的意义。 For ports and railway enterprises, safety is the foundation of an enterprise and the lifeline of an enterprise. The application of computer network security and reliability are also related to the long-term future development of enterprises. Although the widespread application of computers has now permeated every aspect of people’s daily life, the use of computers to collect and process information and data has gradually become an indispensable part of people’s daily life and production. However, the use of computers is still a problem Can not be ignored, once the computer is hacked, it is bound to make criminals have an opportunity to cause incalculable losses. Therefore, the effective analysis of the computer network security has a special significance for the development of enterprises.