And their professor, George Ledin, has showed them how to penetrate even the best antivirus software.

他们的教授George Ledin也已经通过示范，指导他们怎样穿透即使是最好的反病毒软件。

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Says Ledin, who was born to Russian parents in Venezuela and trained as a biologist before coming to the United States and getting into computer science.

Ledin说，他出生于委内瑞拉，父母是俄罗斯人，来美国之前被培养成一名生物学家，然后从事计算机科学。

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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。

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IKEA, but Mr Ledin goes one better.

ECONOMIST: Private education