At last, the popular technology about computer network virus detection and information and network security is summarized.
最后，对计算机网络病毒的检测和当前网络安全的主流技术进行了分析。
With the proliferation of computer and network techniques, database security has become an important research area of information security.
随着计算机与网络技术的广泛应用，数据库安全技术已成为信息安全的重要研究领域。
Nowadays, in the computer network environment, all the confidentiality, security, integrality, usability and nonrepudiation of the information must be resolved by encrypting technology.
如今在计算机网络环境下信息的机密性、安全性、完整性、可用性等特性，都需要采用密码技术来解决。
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