Euijin Choo, Mohamed Nabeel, Mashael Al Sabah, Issa Khalil, Ting Yu, Wei Wang "DeviceWatch: A Data-Driven Network Analysis Approach to Identifying Compromised Mobile Devices with Graph-Inference" , ACM Transactions on Privacy and Security. 2022 Nov 7;26(1):1-32
Euijin Choo, Ting Yu, Min Chi "Detecting Opinion Spammer Groups and Spam Targets through Community Discovery and Sentiment Analysis" , Journal of Computer Security pp 283-318, 2017
Guhyeon Jeong, Euijin Choo, Joosuk Lee, Heejo Lee,"Generic Unpacking using Entropy Analysis",Journal of Korean Institute of. Information Technology, Vol. 7, No. 1, pp. 232-238, Feb. 2009.
Abdullah Al Omar*, Xin Yang, Euijin Choo, Omid Ardakanian "MASER: Efficient Privacy-Preserving Cross-Silo Federated Learning with Multi-Key Homomorphic Encryption", IEEE Conference on BigData 2025, Dec 2025.
Youngdong Jang, Hyunje Park, Feng Yang, Heeju Ko, Euijin Choo, Sangpil Kim "3D-GSW: 3D Gaussian Splatting for Robust Watermarking", IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2025 (Acceptance Ratio 0.22)
Fujiao Ji, Kiho Lee, Hyungjoon Koo, Wenhao You*, Euijin Choo, Hyoungshick Kim, Doowon Kim "Evaluating the Effectiveness and Robustness of Visual Similarity-based Phishing Detection Models", 34th USENIX Security Symposium (USENIX Security) 2025 (Acceptance Ratio 0.17)
Kushankur Ghosh*, Murilo Coelho Naldi, Joerg Sander, Euijin Choo "Unsupervised Parameter-free Outlier Detection using HDBSCAN* Outlier Profiles", IEEE Conference on BigData 2024, Dec 2024.
Donghoon Kim, Andrew Booth, Olusegun Akinyemi, Euijin Choo, Doosung Hwang "Website Fingerprinting Attacks with Advanced Features on Tor Networks", IEEE 4th Cyber Awareness and Research Symposium 2024, Oct 2024.
Donghoon Kim, Andrew Booth, Euijin Choo, Doosung Hwang "Advanced Features for Real-Time Website Fingerprinting Attacks on Tor", ACM Conference on Computer and Communications Security (CCS), Poster Abstract, Oct 2024.
Euijin Choo, Mohamed Nabeel, Doowon Kim, Ravindu De Silva, Ting Yu, Issa Khalil "A Large Scale Study and Classification of VirusTotal Reports on Phishing and Malware URLs", ACM on Measurement and Analysis of Computing Systems (ACM SIGMETRICS 2024), Vol. 7, No. 3, pp. 1-26, ACM (Acceptance Ratio 0.14)
Mashael Al Sabah, Mohamed Nabeel, Euijin Choo, Yazan Boshmaf "Content-Agnostic Detection of Phishing Domains using Certificate Transparency and Passive DNS", In Proceedings of the 25th International Symposium on Research in Attacks, Intrusions and Defenses (pp. 446-459) (RAID)'22, Limassol, Cyprus, Oct 2022. (Acceptance Ratio 0.25)
Saravanan Thirumuruganathan, Mohamed Nabeel, Euijin Choo, Issa Khalil, Ting Yu "SIRAJ: A Unified Framework for Aggregation of Malicious Entity Detectors", 43rd IEEE Symposium on Security and Privacy (IEEE S&P 2022) (pp. 507-521), May 2022. (Acceptance Ratio 0.15)
Lunpin Yuan, Euijin Choo, Ting Yu, Issa Khalil, Sencun Zhu "A Time-Window Based Group-Behavior Supported Method for Accurate Detection of Anomalous Users", 51st IEEE/IFIP International Conference on Dependable Systems and Networks (DSN 2021) (Acceptance Ratio 0.16)
Euijin Choo,"Analyzing Opinion Spammers' Network Behavior in Online Review Systems", 4th IEEE Conf. on Big Data Computing Service and Applications (IEEE Bigdata Service), March, 2018
Chungsik Song, Kunal Goswami, Younghee Park, Sang-Yoon Chang, Euijin Choo,"Graphic Model Analysis of Frauds in Online Consumer Review", 2nd Conf. on Internet of Things and Cloud Computing (ICC), ACM, 2017
Euijin Choo,"Who spams whom? Detecting Opinion Spammer Groups and Their Spam Targets", 37th IEEE Symposium on Security and Privacy (IEEE S&P 2016), Poster Abstract, May. 2016.
Euijin Choo, Ting Yu, Min Chi,"Detecting Opinion Spammer Groups through Community Discovery and Sentiment Analysis", Data and Applications Security and Privacy (IFIP DBSec) XXIX. LNCS, Springer, 2015. 170-187. ( Best Paper Award)
Euijin Choo, Ting Yu, Min Chi, Yan Sun,"Revealing and Incorporating Implicit Communities to Improve Recommender Systems", 15th ACM Conference on Economics and Computation (ACM EC 2014), June. 2014. (Acceptance Ratio 0.27)
Euijin Choo, Ting Yu, Min Chi,"Toward Understanding Spamming Behavior in Public Forums", 35th IEEE Symposium on Security and Privacy (IEEE S&P 2014), Poster Abstract, May. 2014.
Euijin Choo, Younghee Park, Huzefa Siyamwalay,"Identifying Malicious Metering Data in Advanced Metering Infrastructure", 8th IEEE International Symposium on Service Oriented System Engineering (IEEE SOSE 2014), April. 2014, pp. 490-495
Euijin Choo, Jianchun Jiang, Ting Yu,"COMPARS: Toward an Empirical Approach for Comparing the Resilience of Reputation Systems", 4th ACM conference on Data and application security and privacy (ACM CODASPY 2014), pp. 87-98, Mar. 2014. (Acceptance Ratio 0.15)
Guhyeon Jeong, Euijin Choo, Joosuk Lee, Munkhbayar Bat-Erdene, Heejo Lee,"Generic Unpacking using Entropy Analysis", 5th International Conference on Malicious and Unwanted Software (IEEE MALWARE), pp. 114-121, Oct. 20. 2010.
Euijin Choo, Heejo Lee, Wan Yeon Lee,"Dynamic Multimedia Scheduling against Motion Based DoS attacks", International Conference on Information Networking (ICOIN 2009), Jan. 2009
Guhyeon Jeong, Euijin Choo, Joosuk Lee, Heejo Lee,"Unpacking Malwares", The 30th Korea Information Processing Society Fall Conference (KIPS), Nov. 2008
Euijin Choo, Jehyun Lee, Heejo Lee, Giwon Nam,"SRMT: A Lightweight Encryption Scheme for Secure Real-time Multimedia Transmission", Multimedia and Ubiquitous Engineering (MUE 2007), Apr. 2007.
Lunpin Yuan, Euijin Choo, Ting Yu, Issa Khalil, Sencun Zhu, "Method and system for Anomalous User Account Detection by Profiling Individual and Group Behavior", United States, Registration, 11,991,196, May 21, 2024
Euijin Choo, Mohamed Nabeel, Mashael Alsabah, Ting Yu, Issa Khalil,"Compromised Mobile Device Detection System and Method", United States, Application, 17/495,391, Apr. 14, 2022
Saravanan Thirumuruganathan, Mohamed Nabeel, Euijin Choo, Ting Yu, Issa Khalil,"Methods and Techniques to Generate High-Quality Threat Intelligence from Aggregated Threat Reports", United States, Application, 63/294,163, Dec.28.2021
Mohamed Nabeel, Euijin Choo, Ting Yu, Issa Khalil,"Method and System For Domain Maliciousness Assessment via Real-time Graph Inference", United States, Registration, 11,206,275, Dec.21.2021
Euijin Choo, Heejo Lee,"Method of Scheduling Packet", Korea, Registration, 10-0991526, Oct. 2. 2010
Euijin Choo, Jehyun Lee, Heejo Lee, Giwon Nam,"Method for Encrypting and Decrypting an Image Frame", Korea, Registration, 10-0848642-0000, July. 21. 2008
Euijin Choo, Jehyun Lee, Heejo Lee, Giwon Nam,"Method for Encrypting and Decrypting an Image Frame", US, Application, 11/905,240, Sep. 28. 2007
Euijin Choo, Mohamed Nabeel, Mashael Alsabah, Ting Yu, Issa Khalil, Wei Wang, "DeviceWatch: Identifying Compromised Mobile Devices through Network Traffic Analysis and Graph Inference", arXiv Preprint
Wenhao You*, Bryan Hooi, Yiwei Wang, Euijin Choo, Ming-Hsuan Yang, Junsong Yuan, Zi Huang, Yujun Cai, "Lost in Edits? A λ-Compass for AIGC Provenance", arXiv Preprint
St. Albert Gazette News, "PowerSchool hack sweeps through St. Albert", Jan 10. 2025
University of Alberta, "Meet Euijin Choo: Big data analysis an emerging tool to bolster cybersecurity", Aug. 2022
Euijin Choo,"Poisoning Attacks in Federated Learning", Databloom.ai, Feb. 2022
Euijin Choo,"Securing Smart Health Systems: Building Trust For Healthy Cities", Korea-Canada Forum on Leadership and Collaboration, Sep. 2025, Vancouver, Canada.
Euijin Choo,"A Double-Edged Sword: Cybersecurity in the Age of AI", Canada Korea Conference - Early Career Researcher Showcase, July. 2025, Montreal, Canada.
Euijin Choo,"My EDI Jorney: Lessons Learned from My Experience", Canada Korea Conference - Empowering the Next Generation: Equity, Diversity, and Inclusion from Classroom to Career, July. 2025, Montreal, Canada.
Euijin Choo,"An LLM (Large Language Model)-Assisted System Behavior Graph Construction for Anomaly Detection", Canada Korea Conference - AI Forum, Paper Abstract, July. 2025, Montreal, Canada. (Referred Presentation)
Euijin Choo,"Building a Safe Digital Future: Cybersecurity in the Age of AI", 2025 World Congress of Korean Scientists & Engineers, July. 2025, Seoul, Korea. (Referred Presentation)
Euijin Choo,"Securing Federated Learning with Multi-Key Homomorphic Encryption", BDRC Cybersecurity Conference, Sep. 2024, Quebec City, Canada.
Euijin Choo,"AI and Cyber Security: AI for Security, Security for AI", AKCSE Training Program, University of Calgary, Aug. 2024, Calgary, Canada.
Euijin Choo,"A Unified Multi-Source Aggregation Framework For High-Quality Threat Intelligence", AI for Security Workshop, July. 2022, Hongchun, Korea.
Euijin Choo,"Dynamic Multimedia Scheduling against Motion based DoS attack" , 1st Workshop among Asian Information Security Researchers(WAIS2008), July. 2008, Dalian, China.
Euijin Choo,"Secure Real-time Media Transmission", 3rd Joint Workshop between Security Researchers in Korea and Japan, July. 2006, Seoul, Korea.
Euijin Choo,"Cybersecurity in the Age of AI", CyberAlberta Connect 2025, Sep. 2025, Edmonton, Canada. (Keynote Speaker)
Euijin Choo,"AI for Security, Security for AI", Research Roundup at AMII, Nov. 2024, Edmonton, Canada.
Euijin Choo,"AI for Security, Security for AI", Research Roundup at AMII, Nov. 2023, Edmonton, Canada.
Euijin Choo,"Phone Fraud", Qatar Ministry of Interior, June. 2021, Doha, Qatar.
Euijin Choo,"Data-Driven Cyber Security Intelligence", Fortiss, April. 2021, Video Conference, Munich, Germany.
Euijin Choo,"Discovering Opinion Spammers through Implicit Community Discovery", IBM Research, May. 2015, New York, USA.
Euijin Choo,"Fake Reviewers: Which Items are Their Attractive Targets?", Science of Security Lablet Fall 2013 Community Forum with Industry, Oct. 2013, Raleigh, USA.
Euijin Choo,"Relying on Visuals: How Effective Are Computer-Vision-based Phishing Detection Models?", Korea University Computer Vision Lab Seminar, July. 2025, Seoul, Korea.
Euijin Choo,"AI for Security, Security for AI: From Protection to Attack in Federated Learning", Korea University ISS Lab Seminar, July. 2025, Seoul, Korea.
Euijin Choo,"AI and CyberSecurity: Security in the Age of AI", AKCSE Working, Mar. 2025, Edmonton, Canada.
Euijin Choo,"From Protection to Attack in Federated Learning: Privacy Defense and Adversarial Poisoning Attacks", AKCSE Seminar Series, Feb. 2025, Virtual, Canada.
Euijin Choo,"How to Prepare Your Job/Graduate School Application", AKCSE Resume Workshop, Feb. 2025, Edmonton, Canada.
Euijin Choo,"AI and Cybersecurity", University of Alberta Computing Science Honors Seminar, Jan. 2025, Edmonton, Canada.
Euijin Choo,"AI and Security: Security for Federated Learning", Korea University, Aug. 2024, Seoul, Korea.
Euijin Choo,"Graph Algorithms For Cyber Security", University of Alberta Computing Science Honors Seminar, Oct. 2022, Edmonton, Canada.
Euijin Choo,"Data-driven Cyber Security: AI/ML for Security", Korea University, June. 2022, Seoul, Korea.
Euijin Choo,"Data-driven Cyber Security: AI/ML for Security", Seoul National University, May. 2022, Seoul, Korea.
Euijin Choo,"Data-Driven Cyber Security Intelligence", University of Alberta, April. 2021, Video Conference, Edmonton, Canada.
Euijin Choo,"Data-Driven Cyber Security Intelligence", University of Calgary, April. 2021, Video Conference, Calgary, Canada
Euijin Choo,"Data-Driven Cyber Security Intelligence", University of Texas, Rio Grande Valley, March. 2021, Video Conference, Texas, USA.
Euijin Choo,"Data-Driven Cyber Security Intelligence", Jilin University, Aug. 2019, Changchun, China.
Euijin Choo,"Identification of Malicious Mobile applications and Vulnerable Devices through Network Traffic Analysis", Joongang University, June. 2018, Seoul, Korea.
Euijin Choo,"Detecting Opinion Spammer Groups through Community Discovery and Sentiment Analysis", Joongang University, Jan. 2017, Seoul, Korea.
Euijin Choo,"Secure Real-time Multimedia Transmission", Brain Korea 21 Annual Exhibition, System Demo and Poster Presentation ( Best Research Lab Award), 2007, Seoul, Korea.