Some literature named this technology of protection data and prevention of the illegal data accessing as the computer security or the system security technology.

有些文献将这些保护数据、阻挡非法数据访问的技术统称为计算机安全或系统安全技术。

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With the advent of the network society and the growing popularity of e-commerce, traditional system security technology which depends on token or password has been facing serious challenges.

随着网络社会的到来与电子商务的日趋普及，传统的依赖信物或口令的系统安全性技术已经面临严峻的挑战。

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First, that security depends on a combination of technology and policy; and second, that no system is ever totally secure.

第一，安全依赖于技术和政策的联合体。第二，永远没有完全安全的系统。

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That's an example; you see how information technology created a Social Security system.

这个例子中你们可以看出信息技术,是如何创造出社会保障体系的。

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As revealed last year, the US Department of Homeland Security is working on a system called FAST (Future Attribute Screening Technology) that relies on an array of sensors and advanced algorithms to detect physiological and behavioral cues that are said to indicate malintent.

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Furthermore, the technology will actually allow airports to have a more sophisticated security system in place.

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They can still rely on the services of an information technology firm to upgrade and maintain their system, as well as provide security.

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