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임채윤(Chae-Yun Lim),조용환(Yong-Hwan Jo),이철희(Cheul-Hee Lee) 전남대학교 공익인권법센터 2018 인권법평론 Vol.- No.21
In this study, we analyzed information security vulnerabilities of Internet of Things (IoT) and then suggested possible risks to users. This type of security review is essential before newly developed IoT technologies are used. We analyzed security vulnerabilities using open-source and commercialized source code for closed-circuit television (CCTV) and routers currently in the market. Based on the results of a vulnerability diagnostic tool, we proposed a method of information protection for users who use IoT technologies, such as CCTVs and routers.
임채윤(Chae-Yun Lim),조용환(Yong-Hwan Jo),이철희(Cheul-Hee Lee) 산업기술교육훈련학회 2019 산업기술연구논문지 (JITR) Vol.24 No.1
In this study, we analyzed information security vulnerabilities of Internet of Things (IoT) and then suggested possible risks to users. This type of security review is essential before newly developed IoT technologies are used. We analyzed security vulnerabilities using open-source and commercialized source code for closed-circuit television (CCTV) and routers currently in the market. Based on the results of a vulnerability diagnostic tool, we proposed a method of information protection for users who use IoT technologies, such as CCTVs and routers.
이재훈(Jae-Hun Lee),임채윤(Chae-Yun Lim),김지훈(Ji-Hun Kim),김현석(Hyun-Seok Kim) 대한전자공학회 2024 대한전자공학회 학술대회 Vol.2024 No.6
In this study, we investigated the AlGaN/GaN high-electron-mobility transistor (HEMT) by altering the material of the 1<SUP>st</SUP> passivation layer. With variations in the 1<SUP>st</SUP> passivation material, the breakdown voltage increased. This was attributed to the high-k dielectric material evenly dispersing the electric field. However, a decrease in cut-off frequency (f<SUB>T</SUB>) was observed as an issue. To overcome the degradation of f<SUB>T</SUB> in the high-k 1<SUP>st</SUP> passivation layer, this study proposes an approach by employing an asymmetric passivation structure. The passivation layer near the gate-to-source region was eliminated, reducing