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.

• 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。