Ledin insists that his students mean no harm, and can't cause any because they work in the computer equivalent of biohazard suits: closed networks from which viruses can't escape.

Ledin坚持认为，他的学生没有恶意，而且不会因为他们的工作导致计算机穿上等效于对付生物危害的防护衣：密封的网络病毒无从逃脱。

youdao

The Pentagon has developed a list of cyber-weapons and -tools, including viruses that can sabotage an adversary's critical networks, to streamline how the United States engages in computer warfare.

五角大楼开发了一系列的网络武器和工具，包括病毒可以用于破坏一个敌人的重要网络，强化美国从事电脑作战的能力。

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Letting computer viruses loose on a quarantined computer and recording their pattern of activity could lead to a better way of spotting them in the "wild".

把计算机病毒导入一台被隔离的计算机，并记录他们的行为模式，可能找到一些较好的办法从而把病毒从“野生”的环境中识别出来。

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The fact that ILOVEYOU was seemingly unaffected by most companies' front-line defenses should serve as a wake-up call to businesses that in the ever-mutating world of computer viruses, security software must constantly be updated with the latest technology.

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

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This reputation has been mauled in the past few months by computer worms and viruses, such as Sobig.

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