Activities
Competitions, awards, programs, and vulnerability disclosures.Competitions & Awards
10- 2026.10.28 – 11.25LOTTE AX Challenge 2026FinalistLOTTE · Task by Lotte InnovateOngoing
Advanced to the finals from the online qualifier (Oct 28 – Nov 4, 2026) with an AI problem-solving proposal. The task, set by Lotte Innovate, is “Planning a software supply-chain scanning agent”.
The on-site finals (Nov 24 – 25, 2026, LOTTE Academy Osan Campus) are a two-day build of a working prototype AI agent. Results will be updated after the competition.
Official site - 2026.10.31 – 12.022026 AI Cyber Defense Contest (ACDC)Finalist · 4th in qualifierMinistry of Science and ICT · KISA · KISIA · Team 자퇴할게요 · Team leaderOngoing
Led team 자퇴할게요 to 4th place in the online qualifier (Oct 31, 2026), earning a spot in the on-site finals. The qualifier covered AI for Security, AI Platform Security, Security for AI, and King of the Hill challenges.
The finals (Dec 1, 2026, Grand InterContinental Seoul Parnas) combine Attack & Defense, King of the Hill, and a Secret Mission into a single total score. Results will be updated after the competition.
KISA notice - 2026.10.12 – 11.10N.O.V.A. 2026 Conversational Medical Diagnosis AI Agent Competition16th in preliminarySNU Bundang Hospital Medical AI Center · elice · Team MedNote · Team leader
Led team MedNote in building a Doctor Agent that interviews patients, selects tests, and submits a final diagnosis within 60 turns per case, with submitted code run and evaluated on private cases. Finished 16th overall in the preliminary round, narrowly missing the finals.
Competition - 2026.06.2514th Sejong University SW·AI HackathonExcellence AwardSejong University SW-Centered University Project Group · Team 딸깍 · Team leader
Earned the Excellence Award with team 딸깍 under the theme “AI로 상상하고, 코드로 실현하라” (Imagine with AI, realize with code) — a back-to-back win following the Gold Award at the 13th edition.
- 2026.06.19 – 07.03HSPACE Digital Forensics Challenge (HDFC 2026)1st Prize (최우수상) · 2nd overallHDFLAB · Team 이라덴
A two-week online CTF-style digital forensics competition hosted on the HSPACE Forge platform. Solved investigation challenges spanning disk, memory, and artifact analysis, placing 2nd overall for the First Prize (최우수상).
Certificate No. 2026-5, issued by HDFLAB on July 18, 2026.
Competition - 20262026 AI·SW-Centered University Digital Competition, Sejong QualifierGrand Prize (1st place)Sejong University · Team 사이버국방학과 · Team leader
Led the team to the Grand Prize (1st place) in Sejong University's on-campus selection round, earning a place in the DACON-hosted national “2026 AI·SW중심대학 디지털 경진대회 : AI부문”.
Sejong notice - 2025.12.2413th Sejong University SW·AI HackathonGold AwardSejong University SW-Centered University Project Group · Team leader
Participated as team leader and received the Gold Award. The hackathon work became the foundation for the SejongUnivMobile student-life mobile service project.
- 20253rd Information Security Academic Festival · Project DivisionGrand PrizeTeam leader
- 20253rd Information Security Academic Festival · Paper DivisionGrand Prize
- 2025Sejong University Academic Advising Essay ContestGrand Prize
Workshops & Programs
2- 2026.10.09DevDay Exchange Community Hackathon : SeoulCodex Community Events · Sponsored by OpenAI · AWS · Selected participant · AWS Korea, Seoul
Selected for a one-day hackathon of about 130 participants building AI that solves real problems with Codex, across the AI for Safety & Resilience and AI for Human Life tracks.
Event - 2025.09.04 – 09.05Advanced AI Digital Medical Product Red Team Challenge & Technical WorkshopMinistry of Food and Drug Safety (MFDS) · Participant
Performed prompt injection attacks on a blind LLM fine-tuned for the medical domain.
Vulnerability Disclosures
KVE41
24
17
KVE (Korea Vulnerability Enumeration) is a vulnerability identification system managed by KISA (Korea Internet & Security Agency). Like CVE, it catalogs and tracks vulnerabilities in software and systems, with a focus on Korean infrastructure and domestically developed software.
Affected products and impact are withheld under the bug bounty policy.