Publications
2023
[1] "On the LongTerm Effects of Continuous Keystroke Authentication", – Jun Ho Huh, Sungsu Kwag, Iljoo Kim, Alexandr Popov, Younghan Park, Geumhwan Cho, Juwon Lee, Hyoungshick Kim, and Choong-Hoon Lee, UbiComp: Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Cancun, Mexico, 2023 (BK21+ CS conference IF = 3, acceptance rate: 28%). pdf
2021
[1] "Towards Usable and Secure Location-based Smartphone Authentication", Geumhwan Cho, Sungsu Kwag, Jun Ho Huh, Bedeuro Kim, Choong-Hoon Lee, and Hyoungshick Kim, SOUPS: The 17th Symposium On Usable Privacy and Security, Virtual, 2021 (BK21+ CS conference IF = 1, acceptance rate: 36/136 = 26%). pdf
2020
[2] "On the Security and Usability Implications of Multiple Authentication Choices", Geumhwan Cho, Jun Ho Huh, Soolin Kim, Junsung Cho, Heesung Park, Yenah Lee, Konstantin Beznosov, and Hyoungshick Kim, ACM Transactions on Privacy and Security, Volume 23, Issue 4, Pages 1-32, August 2020 (SCIE, IF: 2.3 based on 2022 JCR). pdf
[1] "SENTINEL: A Secure and Efficient Authentication Framework for Unmanned Aerial Vehicles", Geumhwan Cho, Junsung Cho, Sangwon Hyun, and Hyoungshick Kim, Applied Sciences, Volume 10, Issue 9, Pages 3149, April 2020 (SCIE, IF: 2.7 based on 2022 JCR). pdf
2019
[2] "Understanding Users Risk Perceptions about Personal Health Records Shared on Social Networking Services", Yuri Son, Geumhwan Cho, Hyoungshick Kim, and Simon S. Woo, ASIACCS: The 12th ACM Asia Conference on Computer and Communications Security, Auckland, New Zealand, 2019 (BK21+ CS conference IF = 1, acceptance rate: 22.5%). pdf
[1] "Data-driven Selection of Security Application Frameworks During Architectural Design", Humberto Cervantes, Rick Kazman, Jungwoo Ryoo, Junsung Cho, Geumhwan Cho, Hyoungshick Kim, and Jina Kang , HICSS: The 52nd Hawaii International Conference on System Sciences, 2019. pdf
2018
[4] "Two-Thumbs-Up: Physical Protection for PIN Entry Secure against Recording Attacks", DaeHun Nyang, Hyoungshick Kim, Woojoo Lee, Sung-bae Kang, Geumhwan Cho, Mun-Kyu Lee, and Aziz Mohaisen, Computers & Security, Volume 78, Pages 1-15, September 2018 (SCIE, IF: 5.6 based on 2022 JCR). pdf
[3] "Threat modeling and analysis of voice assistant applications", Geumhwan Cho, Jusop Choi, Hyoungshick Kim, Sangwon Hyun, and Jungwoo Ryoo, WISA: The 19th World Conference on Information Security Applications, Jeju Island, Korea, 2018 (acceptance rate: 11/44 = 25%). pdf
[2] "The Personal Identification Chord: A Four Button Authentication System for Smartwatches", Ian Oakley, Jun Ho Huh, Junsung Cho, Geumhwan Cho, MD. Rasel Islam, and Hyoungshick Kim, ASIACCS: The 11th ACM Asia Conference on Computer and Communications Security, Incheon, Korea, 2018 (BK21+ CS conference IF = 1, acceptance rate: 52/310 = 17%). pdf
[1] "Design and Analysis of Push Notification-Based Malware on Android", Sangwon Hyun, Junsung Cho, Geumhwan Cho, and Hyoungshick Kim, Security and Communication Networks, Volume 2018, Article ID 8510256, 12 pages, July 2018 (SCIE Journal). pdf
2017
[2] "Preventing DNS amplification attacks using the history of DNS queries with SDN", Soyoung Kim, Sora Lee, Geumhwan Cho, Muhammad Ejaz Ahmed, Jaehoon Paul Jeong, and Hyoungshick Kim, ESORICS: The 22nd European Symposium on Research in Computer Security, Oslo, Norway, 2017 (BK21+ CS conference IF = 2, acceptance rate: 54/339 = 16%). pdf
[1] "SysPal: System-guided Pattern Locks on Android", Geumhwan Cho, Jun Ho Huh, Junsung Cho, Seongyeol Oh, Youngbae Song, and Hyoungshick Kim, S&P: The 38th IEEE Symposium on Security and Privacy, San Jose, USA, 2017 (BK21+ CS conference IF = 4, acceptance rate: 60/419 = 14.3%). pdf
2016
[2] "WiPING: Wi-Fi signal-based PIN Guessing attack", Seunghun Cha, Jaewoo Park, Geumhwan Cho, Jun Ho Huh, and Hyoungshick Kim, CCS: The 23rd ACM Conference on Computer and Communications Security (Poster), Vienna, Austria, 2016. pdf
[1] "Combating online fraud attacks in mobile-based advertising", Geumhwan Cho, Junsung Cho, Youngbae Song, Donghyun Choi, and Hyoungshick Kim, EURASIP Journal on Information Security, Vol. 2016(1), 2016. pdf
2015
[4] "An empirical study of click fraud in mobile advertising networks", Geumhwan Cho, Junsung Cho, Youngbae Song, and Hyoungshick Kim, IWCC: The 4th Workshop on Cyber Crime held in conjunction with ARES, Toulouse, France, 2015. pdf
[3] "Keyboard or Keylogger?: a security analysis of third-party keyboards on Android", Junsung Cho, Geumhwan Cho, and Hyoungshick Kim, PST: The 13rd International Conference on Privacy, Security and Trust, Izmir, Turkey, 2015. pdf
[2] "On the Effectiveness of Pattern Lock Strength Meters – Measuring the Strength of Real World Pattern Locks", Youngbae Song, Geumhwan Cho, Seongyeol Oh, Hyoungshick Kim, and Jun Ho Huh, CHI: The 33rd ACM SIGCHI Conference on Human Factors in Computing Systems, Seoul, Korea, 2015 (BK21+ CS conference IF = 4, acceptance rate: 565/2435 = 23%). pdf
[1] "A framework for security services based on software-defined networking", Jaehoon Jeong, Jihyeok Seo, Geumhwan Cho, Hyoungshick Kim and Jung-Soo Park, DC2: The 2nd Workshop on Device Centric Cloud held in conjunction with IEEE AINA, Gwangju, Korea, 2015. pdf