According to a computer virus intrusion system approach can be divided into source virus, computer virus virus, operating system viruses and shell viruses.

按计算机病毒入侵系统的途径可将计算机病毒分为源码病毒、入侵病毒、操作系统病毒和外壳病毒。

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Hidden computer viruses and computer viruses polymorphism is more difficult to detect.

隐性计算机病毒和多态性计算机病毒更使人难以检测。

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The amalgamation of the computer viruses and hacker technology makes the computer viruses full with more destructive potential than ever.

而计算机病毒与黑客技术的融合，使其具有了前所未有的破坏性。

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The category of cyber crime includes fraudulent online shopping activity, computer software service fraud, computer misuse crime, offences linked to computer viruses and spyware and computer hacking.

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Biotechnology research promises to find cures for diseases, but it could also lead to people crafting real viruses the way teenagers create computer viruses now, Friedman says.

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In the past, computer viruses primarily sought to disrupt the proper functioning of computers.

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