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Research of UCON Based Information Security Monitoring System

Author: ZhangQi
Tutor: ZhuangYi
School: Nanjing University of Aeronautics and Astronautics
Course: Applied Computer Technology
Keywords: Information Security Access Control Model Safety monitoring Algorithm
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 74
Quote: 1
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Abstract


A variety of secret information related to national security , is directly related to the interests of national security and social stability . National confidential information stolen or destroyed, the state will cause incalculable damage . Information security attack and defense technology development to a higher level , has important practical significance to study the solution of this problem . Firstly, we discuss the status of the development of domestic and international information security monitoring technology , analysis of the four traditional access control model their advantages and disadvantages , in-depth study UCON access control model , a comprehensive analysis of the principle and the advantages and disadvantages of UCON access control model core components ; design based the UCON access control model system architecture of the information security monitoring system ; depth study of network packet capture and analysis technology and communication in the network information download monitoring subsystem the blocking technology designed UCONpreA1onB2 model , the ultra- amount of download network packets in real-time blocking ; leakage of sensitive information monitoring subsystem in the anti- file , in-depth study of the file system filter driver technology and format document parsing technology , designed UCONonA2 model achieve effective monitoring sensitive information of the host ; in the QSAC matching algorithm , in-depth study of multi-pattern matching algorithm , and a novel oriented English environment the QSAC matching algorithm , to solve the problems of low efficiency of the algorithm in a large character set text , in the safety monitoring system for large character set matches the text inefficient . Thesis work has been completed on the overall design of the information security monitoring system , achieve two security monitoring subsystem . Compared to current of similar safety monitoring system research can improve the efficiency and security of the information security monitoring . The experimental results show that the network information download monitoring subsystem to automatically block malicious download behavior , to protect the network server ; anti- file - sensitive information leakage monitoring subsystem to be able to search and monitor host files containing sensitive words , content filtering , and effectively prevent the leakage of information ; currently , there are two subsystems in the relevant unit trial .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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