Research on the network information security and the application of PKI technology;

The discussion of Network information security defensive system;

Research on the Evaluation of Network Information Security Based on the Fuzzy Analytic Hierarchy Process;

This paper describes some serious threats that our country is faced in current network information safety,then it analyzes the main factors put.

The problems about network information safety, secret keeping and virus should be solved urgently.

Exploration on the Reform of Network and Information Security Course

Firewall technique isa new science in the fields of network and information security In this article,the working principle of firewall as well as its developmentn is briefly introduced,and the selectim of asuitable firewall is also presente

The article describes the layered model of network and information security, and gets the security framework of mobile Internet according to the structure of mobile Internet.

The situation of Chinese information and network security is not optimistic.

Cryptology is the primary foundation of information and network security,computer science is the main base of cryptology,and the "P versus NP" is the most important problem in theoretical computer science.