Object Instance


Motto I can do everything !!
Piano, Guitar, Computer, Game, Programming

Relaxation, Family, Friends, Sky, Electronics, Pictures, Movies, Ice cream, Sashimi, ..

Stress, Betrayer, Cunning, Rudeness, Conceit, Prejudice, ..
Editor Window


Plaform iOS, Android, Web(Front/Back), PC
C/C++, Objective-C, C#, Python, Java, JS, PHP, PERL

LDAP, Oracle9i, Informix9x, MS-SQL, MySQL

Solaris, FreeBSD, Linux, Windows, Router/Switch(CISCO)

Tools & etc.
VisualStudio, JBuilderX, Eclipse, XCode
Object Instance


Consistency My major and field..
System Security LAB. Korea University 2015 ~ Now
- Research Web/Mobile System Security Study. Attending Ph.D.

SK Broadband Corp. 2017 ~ Now
- Developed Oksusu VoD App. (iOS)

NCSoft Corp. KOREA 2016 ~ 2016
- Developed NC-Comix Webtoon App. (Android)

SK Planet Corp. 2013 ~ 2016
- Developed Project Anne App. (iOS)
- Developed Shopkick Partners App. (iOS)
- Developed OK Cashbag iOS App. (iOS)
- Developed Hoppin VOD Player iOS App. (iOS)

Naver Corp. 2010 ~ 2013
- Developed The Brain (MobileWeb Game Prototype)
- Developed Dragon Saga Game Launcher (AJAX, Social Layer)
- Developed Mobile NaverCast (MobileWeb, HybridApp)
- Developed NaverCartoon JAPAN (iOS)
- Developed Notice module for Naver App (iOS)
- Developed NaverMe, PWE (AjaxUI)

SK Communications Corp. 2008 ~ 2010
- Developed NateConnecting (Android/iOS)
- Developed NateCartoon, CyworldFlag (Android)
- Developed NateConnect (Java/.NET)
- Developed Cyworld Minilife 3D (PHP5 Framework)

Korea University Division of Information Security 2006 ~ 2008
- Developed a tool for detecting forgery of web content using BHO (C#/C++)
- Applied for a patent related to the above.
- BK21 (1st, 3rd), Ministry of Education & Human Resources Development
- A study on new encryption technology (Institute for Information Technology Advancement)
- Simulation of Cyber attack / defense system (Agency for Defense Development)
- Developed framework of Internet Worm Formulation Model (System Security LAB)
- Research on techniques for penetration testing of web application products (ETRI)
- Modularization and regular expression of Internet worm behavior (ETRI)
- Developed Secure VoIP Phone (C/C++)

Army Headquarters (Division of Computer Center) 2003 ~ 2005
- Developed conference room reservation system (PHP, MySQL)
- Developed goal-oriented business management system (PHP, Oracle9i)
- Renewal of Educational Headquarters Homepage (ASP, MySQL)
- Developed Integrated electronic phone book (Java, LDAP)
- Developed management system for operating expenses (Java, PHP, Informaix9)
- Developed Intranet dedicated line management system (Java, Informaix9)
- Developed Army Physical Strength Management System (Java, Oracle9i)
- Developed communication facility management system (Java, PHP, Informix9)
- Developed the Chief of Staff Instruction Management System (Java, PHP, Informix9)