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以Internet为代表的全球性信息化趋势日益明显,信息网络技术的应用正逐渐地在银行、证券等金融行业得到普及和广泛。但随着应用的不断深入,网络安全风险不断暴露出来,愈演愈烈的黑客攻击事件以及非法信息的不断蔓延、网络病毒的爆发、邮件蠕虫的扩散,也给网络蒙上阴影。目前在高速发展的企业网及网络系统中也同样存在着威胁网络安全的诸多因素,网络安全防护不容忽视。主要从病毒入侵、网络流量、关键资源等方面阐述的网络的危害性,并从网关、网络以及主机三个层面介绍如何加强网络安全防护的措施。
The trend of global information represented by the Internet is becoming increasingly evident. The application of information network technology is gradually gaining popularity and wide application in the financial industry such as banking and securities. However, with the deepening of applications, the risks of cybersecurity continue to be exposed. The ever-intensifying hacker attacks and the spread of illegal information, the outbreak of network viruses and the spread of mail worms have cast a shadow over the Internet. Currently in the rapid development of enterprise networks and network systems also exist many factors threaten network security, network security can not be ignored. Mainly from the virus invasion, network traffic, critical resources and other aspects of the network described in the harmfulness, and from the gateway, network and host three levels how to strengthen the network security measures.