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Implementation and Automatic Testing for Security Enhancement of Linux Based on Least Privilege
Gaoshou Zhai,Jie Zeng,Miaoxia Ma,Liang Zhang 보안공학연구지원센터 2008 International Journal of Security and Its Applicat Vol.2 No.3
Nowadays, technologies of information security have been attached more and more importance to and it's a critical problem to take measures to ensure the reliability of related trustworthy software such as secure operating systems (SOSs). Thereafter, it's always necessary for such systems to be taken complete and rigorous security test and evaluation among development team and/or by third-party security certification organization. However, such software testing is usually time consuming, cost consuming and boresome and thus technologies of software testing automation have alluring application foreground in that field. In this paper, methods and technologies about how to test a SOS automatically are discussed in breadth and in depth at first. Then least privilege is studied and the corresponding modules of security enhancement are added to Linux based on Linux Kernel Modules (LKM). Finally, a prototype of automatic security testing as to such least privilege mechanism is implemented and the results are analyzed.