全国的计算机系统正受到一系列称做病毒的神秘的异常程序的影响。

Computer systems throughout the country are being affected by a series of mysterious rogue programs, known as viruses.

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随着黑客的出现，从防病毒程序到防火墙的层层安全措施被添加进来，试图阻止他们。

As hackers turned up, layers of security, from antivirus programs to firewalls, were added to try to keep them at bay.

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与此同时，网络上的蜘蛛、蠕虫、代理程序和其他类型的自动化病毒越来越多，这些病毒旨在渗透站点，寻找信息并对其进行分类。

At the same time, the Net is increasingly populated with spiders, worms, agents and other types of automated beasts designed to penetrate the sites and seek out and classify information.

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