Jiheon Choi

About

I’ll be receiving the B.S. degree in software and computer engineering from Ajou University, Suwon, South Korea, in Aug, 2023. I am a member of the Web Infrastructure and Software Enhancement, WISE Lab lead by Ph.D. Sangyoon Oh. My research interests include web system design, distributed system, and application security. (email: unidev@ajou.ac.kr)

Research Interests

• Web System Design
  • Modern Web Framework such as React, Node.js
  • Spring Boot
• Distributed System
  • Federated Learning
  • Apache Spark, Apache Kafka
• Application Security
  • Web/Mobile Application Vulnerability Assessment
  • Cloud/Infra Penetration Testing

Education

• M.S. degree in Artificial Intelligence; Ajou University (Sep 2023 ~ )
  • Advisor: Sangyoon Oh
• B.S. degree in Software and Computer Engineering; Ajou University (Mar 2019 ~ Aug 2023)
• BSKB’s Summer Patent Seminar (Jun 2023)
  • which is an annual event providing attendees with a comprehensive review of U.S. patent law, including patent prosecution and litigation strategies, recent developments in patent law, and case studies. (Birch, Stewart, Kolasch & Birch, LLP)

Career

• Senior Researcher, MONTHLY HACKING Inc. (Aug 2020 ~ )
  • Provide technical security consulting services to famous domestic start-up companies in various kinds of industrial areas such as Dunamu Inc., KakaoStyle Inc,, Zigbang Inc.
  • Consulting services include penetration testing, vulnerability assessment, and incident response.
  • Developed REST API for SaaS services that provide the automatic pentesting
  • Developed a static code analysis tool to find vulnerabilities automatically.
• Senior Researcher, WAPAS SYSTEMS Inc. (Oct 2019 ~ May 2020)
  • Performed research that is to bypass security architecture in mobile operating systems such as Android, and iOS.
  • Design the web-service infrastructure
• Software Engineer, EVON Inc. (Aug 2017 ~ Mar 2018)
  • Developed hybrid web application using Ionic framework with Typescript
  • Developed Node.js API for application services that provide the electric vehicle charging station information such as location data.
• Software Engineer Intern, Macha Solution Inc. (Dec 2016 ~ Feb 2017)

Research Projects

• AI Application Technology with MR-IoT Convergence to countermeasure Disasters, funded by MSIT (Jan 2023 ~ )
• Development of Safety of the intended functionality from insufficiency of perception and decision making, funded by Korea Automotive Technology Institute (Sep 2022 ~ )
• User Engagement in Social/Mobile Platforms and Its Welfare Value, funded by Ajou University, (Jan 2022 ~ Oct 2022)
• Development of Web Application Vulnerability Assessment Software, funded by Ministry of SMEs and Startups (Apr 2022 ~ Dec 2022)

Publications

Conference Papers

• Jiheon Choi, Miri Yu, Daegun Yoon, Sangyoon Oh. Analysis on Security Vulnerability in Federated Learning, Korean Institute of Communications and Information Sciences Winter Conference 2023 (to be appear)
• Jiheon Choi, Bongsub Song, Sangyoon Oh. A Data Service Architecture for Autonomous Driving Data Management, Korean Institute of Communications and Information Sciences Summer Conference 2022
• Joonyoung Jeong, Dohun Koo, Jongmin Kim, Joowon Kim, Joomyeong Lee, Sanghyeon Lee, Gangseok Lee and Jiheon Choi. A method of analyzing web vulnerabilities using browser extension programs, Conference on Information Security and Cryptography Winter 2021
• Jiheon Choi. A method to implement malware analysis ecosystem based on network, Conference on Information Security and Cryptography Winter 2019

Patents

• Method for automatic diagnosis vulnerability of web and apparatus for performing the method (10-2311119) - 2021.10
• System and Method for analyzing alamalicious code based on blockchain (10-2222804) - 2021.02

Other Experience

• Research Assistant, Ajou University (Jan 2022 ~)
  • EBZ 3310: Data Analytics–Machine Learning, Design the ML Courses with Professor.
    • Made the course materials (e.g. Lecture Note, Midterm, Assignment)
    • Performed grading task with TA
• Mentor, Team Sparta Inc. (Jul 2022 ~)
  • Developer Bootcamp Mentoring
  • React, Node.js
• Mentor, Korea Open Source Software Association (Oct 2020 ~)
  • Open Source Software Developer Competition Mentoring, hosted by Ministry of Science and ICT
• Coach, Elice Inc. (Nov 2021 ~ Aug 2022)
  • Developer Bootcamp Mentoring
  • React, Node.js
• Instructor, Korea Information Technology Research Institute (Aug 2021 ~ Dec 2021)
  • Cyber Guardians program is for high school students who want to start learning information security area.

Awards and Honors

• Second Prize, The 12st Software Secure Coding Contest, Korea Internet Security Agency. (Nov 2022)
• First Prize, International University Students’ Autonomous Driving Competition, Global Electric Vehicle Association Network. (Jun 2022)
• Second Prize, White Hacker League, Korea Information Technology Research Institute (KITRI). (Dec 2017)