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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But not everyone here agrees the system is functioning well, despite hundreds of millions having been spent in the past four years to beef up the system, its technology, and integrate everything with U.S. security databases.

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

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