We investigate the multiple attribute decision-making problems for evaluating the computer network security with intuitionistic trapezoidal fuzzy information. We utilize the intuitionistic trapezoidal fuzzy weighted average (ITFWA) operator to aggregate the intuitionistic trapezoidal fuzzy information corresponding to each alternative and get the overall value of the alternatives and then rank the alternatives and select the most desirable one(s) according to the distance between the overall value of the alternatives and ideal solution. Finally, an illustrative example for evaluating the computer network security is given. 1. Introduction With science and technology development, computer technology improves constantly and more and more software and hardware of education industry have appeared [1]. Uses in educating the profession especially the software and the hardware appear one after another, have brought a lot of convenience for the school teaching management, and simultaneously have also provided many convenient conditions for teacher’s and student’s daily life. The application of these high-techs in the school convenient for the educational circles also gave the educational circles a question about the safety of the information management; the network security question has become a new question to educational circles [2, 3]. As a result of a one-card appearance, the school has applied this technology in the first time. It provides the convenience for both teachers and students. Meanwhile, the school also must consider the safety of the card. The enhancement of network and the server security is the most important thing for schools. These high-techs, for example, multimedia slides, network information, laser projection, and so on, bring about new breakthrough to school education. The emergence of one-card also as the education sector development has played a role and significantly improved the management of schools in various fields [4]. The appearance of the card has solved a lot of niggling problems and makes the campus consumptions more convenient. A card can be slippery in school, and it also facilitates schools in wealth management. The development of the education sector is affected by the technical implications and also constrained by economic conditions, particularly those three-table institutions or nongovernmental institutions. They strive to build a modern campus and, therefore, will not abandon advanced technology to serve schools. However, due to shortage of funds, schools are often just going to the application but did not consider
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