|Computer Specialist, University of Toronto||Sept. 2014 - PRESENT
2y 6 months
|» Currently studying as an undergraduate, and is going to acquire a Bachelor’s degree.
(Currently on a leave, due to serveral reasons including military completion and job employment.)
|International Baccalaureate Diploma||Sept. 2012 - June 2014
1y 9 months
» Acquired International Baccalaureate Diploma for Secondary School.
» Studied in an Indian International school.
(Physics HL, Computer Science HL, Mathematics HL, English B HL, Korean A SL, Economics SL)
|Full-time Security Researcher, SEWorks Inc. (website)||June 2014 - Nov 2016
2y 4 months
» Focusing mainly on core server management and backend service development.
» Developed core products, including product maintanence. (Uses python, GoLang+Redis, PHP, Java, etc.)
» Frequently performs vulnerability checks and penetration tests on core products.
» Security/development researches for future developments.
|2016||1st place on CTFTime! \o/|
|2016||2nd place, EKOPARTY CTF 2016||Latin America|
|2016||2nd place, Silk Road CTF 2016||Karamay, China|
|2016||1st place, ASIS CTF Finals||Tehran, Iran|
|2016||1st place, C4CTF 2016||Riyadh, Saudi Arabia|
|2016||1st place, TU CTF 2016||Tulsa, OK|
|2016||1st place, Sharif University CTF||Tehran, Iran|
|2016||2nd place, Internetwache CTF||Berlin, Germany|
|2015||1st place, Hack Zone Tunisia 2015||Manouba, Tunisia|
|2015||1st place, Break In 2015||Hyderabad, India|
|2015||Finalist, CSAW CTF 15 Hacking Competition NA Finals||Brooklyn, NY|
|2014||Finalist, CSAW CTF 14 Hacking Competition NA Finals||Brooklyn, NY|
|2014||Finalist, DEFCON 22nd CTF Hacking Competition World Finals||Las Vegas, NV|
|2014||2nd place. Olympic Sochi CTF 2015 (Acquired DEFCON Qualifier)|
|2015||1st place, 14th HUST Hacking Festival||Seoul, South Korea|
|2015||1st place, 2015 Inc0gnito Hacking Competition||Seoul, South Korea|
|spwn — stypr's semi web fuzzing framework.||TBD|
» Includes automated sourcecode analysis, general-purpose crawler, sqli helper, etc.
» Works for latests trends of web developement (i.e. Usage of docker containers, Various agile developement, etc)
» Still under developmenet, however most of main features work.
» Found several critical vulnerabilties through this framework.
|Web Fuzzer Development and its Utilization||June 2014|
Talked on WOWHACKER 2nd Seminar. Seoul, Korea
» a.k.a. Introduction to web fuzzer development.
» Demonstrated the process of web fuzzer development and its utilization, including the practical usage of fuzzers and its utilizations.
» Presentations available at //goo.gl/VabWPK
|Stereotyped Challenges||Oct. 2014 - PRESENT
2y 5 months
» Operating and developing a website that consists of extremely technical offensive security challenges.
» Sourcecode available at //github.com/stypr/chall.stypr.com
|Language||ASM (Mediocre), C (Mediocre), Go (Fluent), Java (Fluent), PHP (Native), Python (Native), SQL (Native), VB.NET (Native).|
|Korean (Native), English (Native), Mandarin (Poor)|
|Softwares||IDA+Hex-rays, WireShark, Chrome/Firefox devtools, My own fuzzer), Ollydbg, NetCat,|
|HeidiSQL, HxD, Git, VMWare/qemu, etc. Fan of Debian (But.. this server's on Ubuntu!).|