Network is faced with various security threats, and it is important to effectively protect crucial data and to improve the security of computer networks.

通信网络面临多种多样的安全威胁，如何有效地保护重要数据信息、提高通信网络的安全性已经成为一个日益重要的迫切任务。

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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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The paper discusses the state of existence of data in computer and the security problem in stored procedures, and carries out the exploration on data security and protection.

本文从各类数据在计算机中存在的状态以及在存储过程中的安全问题，对数据的安全性和保护性进行了论证。

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Among other things, the principles established by his scholarship enabled espionage agencies to make their secret codes even more impenetrable and enhanced the security and accuracy of computer data transmission.

ECONOMIST: Andr�� Weil

The Chinese government directly sponsors and supports an army unit responsible for systematic cyber espionage and data theft around the world, according to a new report from computer security firm Mandiant.

FORBES: Chinese Army Directing Cyber Espionage Against Western Businesses

What if a computer hacker broke through your security system and stole or compromised all your customer data?

FORBES: Pre-thinking: Stretching Your Brain