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Threat Modeling을 이용한 PS4와 PC간의 Remote Play 상황 속 위험 분석
김혜민,김휘강 한국정보보호학회 2018 정보보호학회논문지 Vol.28 No.1
최근 소니 사에서 PS4(PlayStation4)와 PC 간의 인터넷 연결을 통한 리모트 플레이 서비스를 런칭하였다. 이서비스는 외부 네트워크와 PS4가 설치된 환경의 네트워크 연결을 가능하게 하였다. 새로운 서비스로 인해 리모트환경에서 추가적인 보안 위협이 발생할 수 있으며 이를 분석하고 그에 대한 대안을 마련해야 한다. 본 논문에서는위협 모델링 기법을 이용해 새로이 나타나는 보안 위협을 파악하고 도출한 위협에 대해 비용대비 분석, 유용성 분석을 진행하여 합리적인 보안 대책을 세울 것이다. Sony has recently launched a remote play service that connects PC and PlayStation4 using the Internet. This serviceenables the network connection between the external network and PS4 network. After the service released, additional securitythreats may arise in remote environments with new services. Therefore, those threats should have been analyzed. In thispaper, as applying threat modeling to remote play system, threats have been analyzed and identified. After cost-effective andusability analysis, finally, reasonable security measure of each threat has been suggested.
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온라인 거래 환경에서 주식 투자 정보의 지속 사용에 대한 이해
김혜민,정성훈,한인구,김병수 한국지식경영학회 2011 지식경영연구 Vol.12 No.4
Given the prevalence of home trading systems, it has become important to examine user behaviors in a stock investment environment. In this vein, this paper developed an integrated model to deeply understand the key determinants of user`s continuance intention to use investment information through constructs prescribed by incorporating trust and perceived risk into expectation-confirmation model. The proposed research model was tested by using survey data collected from 160 users who have experience with stock investment. PLS (partial least squares) was employed for the analysis of the data. The findings of this study showed that the proposed framework provides a statistically significant explanation of the variation in continuance intention to search investment information. The findings revealed that trust and perceived risk are more prevalent predictors of continuance intention to use investment information compared to perceived usefulness. It was also found that user satisfaction serves as the salient antecedents of continuance intention to use investment information. The theoretical and practical implications of the findings were described.
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김혜민,민경률,김인겸,임병환,윤민정,김승범 한국혁신학회 2017 한국혁신학회지 Vol.12 No.3
Impact-Based Forecasting and Warning services(IBFWSs) have been issued for reducing disaster risk by World Meteorological Organization. In developed countries such as United State, United Kingdom governments are also investing human resources and finance for developing technology to offer the IBFWSs. However, there is deficient cognition of IBFWSs in Republic of Korea. In this study, we examined the point and current status of IBFWSs. In addition, we reviewed the domestic situation in the field of weather forecasting services such as weather observation, numerical model, and forecasting. Developing technologies of observation equipments, improving numerical models with ensemble techniques, and constructing databases about natural and man-made disasters are necessary to effective introduction and dissemination of IBFWSs. This requires efforts to raise public understanding in the IBFWSs and continued workforce and financial support by government. 세계기상기구를 중심으로 기상재해의 피해저감을 위해 의사결정을 지원할 수 있는 영향기반의 예보서비스에 대한 중요성이 강조되고 있다. 이에 미국, 영국 등 기상 선진국들은영향예보서비스 제공 및 확산을 위한 기술개발에 인력과 재정을 투입하고 있지만 국내에서는 영향예보에 대한 인식조차 널리 확산되어 있지 않은 실정이다. 따라서 본 연구에서는영향예보를 도입한 선진국의 사례와 기상관측, 수치모델, 예보분야에서의 국내 영향예보도입 현황을 살펴보았다. 효과적인 영향예보의 도입과 확산을 위해서는 관측장비의 다양화⋅선진화 및 수치모델과 앙상블기법의 개선 등을 통한 확률예보기법의 개발과 함께 자연적⋅인위적 재해와 관련된 데이터베이스의 구축이 필수적으로 요구된다. 이를 위해서는 정부의 지속적인 인력 및 재정지원을 비롯하여 영향예보에 대한 국민의 이해와 관심을 높이려는노력을 이어나가야 할 것이다.
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무용학과 대학생의 재능관리와 무용수행간 관계에서: 진로재능발달 자기효능감 과 그릿의 조절된 매개효과
김혜민 대한무용학회 2023 대한무용학회논문집 Vol.81 No.3
The purpose of this study was to investigate whether grit moderate the me- diating effects of talent management on dance performance through career and talent development self-efficacy among university dance students. For this, a preliminary survey of 118 dance students (13 males, 105 females) was conducted to test the validity and reliability of the Korean version of two measures. And a main survey of 238 dance students (16 males, 222 females) was administrated to examine the moderated mediation model of grit. Descriptive statistics, correlations, and moderated regression analysis were conducted. The result of simple regression analysis shows that talent manage- ment was a positive predictor of career and talent development self-efficacy, grit, and dance performance among university dance students, and that career and talent development self-efficacy partially mediated the relationship be- tween talent management and dance performance. Results of moderated re- gression analyses indicated that the effect of career and talent development self-efficacy on dance performance is not moderated by grit. But the effect of career and talent development self-efficacy on the relationship between talent management and dance performance is greater when grit for dance are higher. Findings suggest that a systematic talent management strategy needs for dance major students to explore their career and develop their talents.
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