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, Swift, 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 BS and Master's Degree in Computer Science. (Ph.D. Candidate)
System Security LAB. (Korea University) 2015 ~ Now
- Doctoral course (Ph.D)
- Research & Develop about the Web/Mobile Security.

SK Broadband Corp. 2016 ~ 2017
- Software Developer
- Development of the application for iOS
  > Oksusu VoD App. (iOS)

NCSoft Corp. (KOREA) 2016 ~ 2016
- Software Developer
- Development of the application for Android
  > NC-Comix Webtoon App. (Android)

SK Planet Corp. 2013 ~ 2016
- Software Developer
- Development of the application for iOS
  > The Project Anne App. (iOS)
  > Shopkick Partners App. (iOS)
  > OK Cashbag iOS App. (iOS)
  > Hoppin VOD Player App. (iOS)

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

SK Communications Corp. 2008 ~ 2010
- Software Developer
- Development of the application for iOS, Android, Web
  > NateConnecting (Android/iOS)
  > NateCartoon, Cyworld Flag (Android)
  > NateConnect (Java/.NET)
  > Cyworld Mini life 3D (PHP5 Framework)

Korea University Division of Information Security 2006 ~ 2008
- Researcher
- Research and Development of the system security
  > Development of the a tool for detecting forgery of web content (BHO, C#/C++)
  > Obtained a patent on related to the above.
  > BK21 Project (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)
  > Development of the 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)
  > Development of the Secure VoIP Phone (C/C++)

Army Headquarters (Division of Computer Center) 2003 ~ 2005
- Soldier; Software Developer
- Development of the application for AJAX, Web
  > Reservation system for conference room (PHP, MySQL)
  > Management system for goal-oriented business (PHP, Oracle9i)
  > Renewal the homepage of Educational Headquarters (ASP, MySQL)
  > Integrated electronic phone book (Java, LDAP)
  > System for operating expenses (Java, PHP, Informaix9)
  > System for intranet dedicated line (Java, Informaix9)
  > System for the Army Physical Strength (Java, Oracle9i)
  > System for the communication facility (Java, Informix9)
  > System for the Chief of Staff Instruction (Java, Informix9)