Korean government has been making numerous efforts to activate the e-government service since 2001. As a result, Korean government received excellent evaluations by keeping high standards in the UN's e-Government Readiness index. However, the count of incidents increases in relation to the e-government service. And the business managers of the government offices are undergoing being difficult learns information security relation technique being difficult. At this, information security activities model per e-government service promotions stage is proposed to help easily from business manager position of the government offices.

As the mobile Internet has become widespread in recent years, communication based on mobile networks is increasing. As a result, security threats have been posed with regard to the abnormal traffic of mobile networks, but mobile security has been handled with focus on threats posed by mobile malicious codes, and researches on security threats to the mobile network itself have not attracted much attention. In this paper, we analyzes security threats that occurred to mobile networks recently, and checks the security threats likely to occur in actual commercial service networks and their results. We propose a countermeasure that can respond to such security threats, present results that can be applied to actual commercial networks, and thus make it possible to proactively respond to security threats described in this paper.

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