This paper has discussed the operation principle of the Trojan Horse virus that caused the harm greatly to computer security.

讨论对计算机安全危害极大的“木马” 病毒的工作原理。

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Nothing will slow your system down like a virus, a Trojan horse, or other types of malware.

没有任何东西比病毒，特洛伊木马或者其他恶意软件更能减慢你系统速度的了。

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For example, a Trojan horse or a virus is considered malware.

例如，一个木马或病毒被认为是恶意软件。

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Last week, a Russian security company reported that as many as 600, 000 Macs, most of them in the United States and Canada, had been infected by Flashback, a Trojan horse virus that infiltrates computers, secretly giving someone else remote access to them.

CNN: Apple: Update will fix Mac 'Flashback' virus

With Simon Howard, CoreTrace put together an obstacle course in which contestants had to create Trojan horse viruses to bypass anti-virus software.

FORBES: Catching The Hacking Bug

Once launched, the virus is designed to install a Trojan horse or backdoor program, and allow investigators to record everything typed into that machine, thereby getting around encryption and passwords.

CNN: Top Technology Stories for 2001