介绍了恶意移动代码的危险性和能力，提出了防止恶意移动代码的一些方法和一些自我保护的措施。

This paper analyses the harm of malicious mobile code and presents a radical solution of the harm of malicious mobile code and some self safeguards.

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遗憾的是，许多计算机用户都亲身体验过恶意移动代码(包括病毒和蠕虫)造成的后果，这些代码可能会损坏或毁坏数据，并会浪费时间和资金。

Unfortunately, many computer users have experienced firsthand the effects of malicious mobile code, including viruses and worms, which can damage or destroy data and cost time and money.

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因此，恶意主机环境下移动代码保护技术的研究具有重要的理论和现实意义并受到极大的重视。

So protection technologies of mobile code in malicious host attract much attention and there are very important theoretical and practical significance.

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