Education
Programming Systems Laboratory, Hanyang University ERICA
Ph.D. Student 2020-03Present
Static Program Analysis Program Synthesis Programming Language Theories
PlaSSE Research Laboratory, Hanyang University ERICA
Undergraduate Intern 2015-092019-02
Static Program Analysis Machine Learning Programming Language Theories
Hanyang University ERICA
Undergraduate 2015-032019-02
Data Structures Programming Methodologies System Programming Practical Mobile Application Development
The Next-Generation Security Leaders Program, KITRI
Vulnerability Assessment Track Trainee 2015-052017-03
Windows Programming Web Hacking Embedded Programming Reverse Engineering Linux Programming
Research Exchange Program, Shibaura Institute of Technology
Exchange Student 2018-012018-01
Electrical Engineering Basics (Prof. Chintaka Premachandra)
Pohang Jecheol High School
Graduated 20122014
Skills
Server
DjangoIntermediate FlaskIntermediate PHPIntermediate
Web
CSSIntermediate JavaScriptIntermediate HTMLIntermediate
Languages
CAdvanced C++Intermediate JavaIntermediate PythonAdvanced AndroidIntermediate OCamlComfortable
Services
HerokuComfortable GitHubIntermediate
Misc
Full Penetration TestAdvanced DatabaseIntermediate DesigningBeginner ScriptingAdvanced
Projects / Publications
Methodology for SSL VPN ActiveX modules' vulnerability analysis using fuzzing techniques (CISC16)
Ho Hwang, Philkeun Park, Donghyun Kim, Yongjun Lee, Jaehyung Lee
Vulnerability Assessment on Network Security Products
Found 19 Vulnerabilities in Network Security Products
Cross-Language Clone Detection based on Common Token (JSAV18)
Sung-Moon Hong, Hyunha Kim, Jehyoung Lee, Sung-Woo Park, Jihwan Mo, Kyung-Goo Doh
Android Demo Generation using Code Coverage (KCC20)
Jaehyung Lee, Woosuk Lee
MADUSA: Mobile Application Demo Generation based on Usage Scenarios (ASE2023)
Jaehyung Lee, Hangyeol Cho, and Woosuk Lee
Simplifying Mixed Boolean-Arithmetic Obfuscation by Program Synthesis and Term Rewriting (CCS2023, Accepted)
Jaehyung Lee, Woosuk Lee
Achievements
Naver Special Prize in Hanyang University Programming Contest
Hanyang University 2015-11
Special Prizes in College Programming Contest.
1st in InfoSec Policy and Technologies Contest, WITHCON 4th
ROK Ministry of National Defense 2016-10
First position in InfoSec Policy and Technologies Contest in White Hat Contest
58th rank in ACM-ICPC Korea Regionals
Korea Ministry of Science, ICT and Future Planning 2016-11
Honorable Mention in ACM-ICPC Korea Regionals.
MIDASIT Prize (1st rank) in MIDAS Challenge
MIDAS Information Technology Co., Ltd. 2017-05
1st Prize in MIDASIT Challenge 2017
9th Rank in KISA Bug Bounty Hall of Fame
Korea Internet & Security Agency 2017-09
9th Rank in KISA Bug Bounty Hall of Fame
Work
Development Manager
Bloomengine Inc. 2017-062018-07
Develop Android/iOS App in Bloomengine Inc.
Chief Technology Officer
SCVSoft Co. Ltd. 2018-032018-11
CTO in SCVSoft Co. Ltd.
Chief Executive Officer
ADEVT Co. 2018-122021-06
CEO in ADEVT Co. (Exited)
Partner
Hillstone Global Ltd. 2019-10Present
Partner in Hillstone Global Ltd.
Chief Technology Officer
Hillstone Finance Foundation 2020-08Present
CTO in Hillstone Foundation
Technical Lead
Gymmon Co. 2021-04Present
Technical Lead in Gymmon Co.
Security Engineer
HAECHI AUDIT 2021-042022-04
Security Engineer in HAECHI AUDIT
Security Researcher
SOOHO.IO 2022-04Present
Security Research in SOOHO.IO
Profiles
GitHub astean1001 GitHub for Fun huna3869 Twitter huna3869 Facebook huna3869
Contact