The prevention of this type of fraud is no easy task, and a new field of computer science is developing to cope with security issues.

防止这种类型的欺诈不是一件容易的事，一个新的计算机科学领域正在发展以应对安全问题。

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In the security field, several tools are designed to do what's known as vulnerability testing, each offering different features and benefits.

在安全领域，有一些工具被用于执行所谓的漏洞测试，每个工具提供不同的特性，各具优势。

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Every field has its own terminology, and the computer security field is littered with acronyms and confusing words. These few definitions should help.

每一领域都有其自己的术语，而计算机安全性领域中的术语则有些杂乱无章，其中充斥着首字母缩写词和易混淆的词。

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Officials have urged opposition leaders to move Monday's rally to a field outside of Islamabad's center to improve security.

VOA: standard.2009.03.14

"The deteriorating security situation and prolonged drought in Somalia are forcing more people to flee further a-field into the neighboring countries and beyond."

VOA: standard.2009.09.26

"I am sure that the cooperation between the countries in the field of strategic security is more effective for both Russia and the United States than any AMD , any armed forces or any military operation."

VOA: standard.2009.09.17

Upon the final whistle, a group of fans took to the pitch as Kean was bundled off the field by security staff and a handful of police.

CNN: STORY HIGHLIGHTS

Indeed, it was the highly successful merger of Bill Casey's Wall Street and national security experiences that largely gave birth to the field of International Economic Security--the overarching theme of the Casey Institute's work program and raison d'etre.

CENTERFORSECURITYPOLICY: Center For Security Policy

The newest market-maker in the IT security field has a strange name: WabiSabiLabi.

FORBES: A Hacker's Nasdaq