Teaching & Mentoring Link to heading

• Teaching Assistant, COSE211 Discrete Mathematics (Undergraduate), Spring 2022
  School of Computer Science and Engineering, Korea University.
  Assisted with exercise sessions, grading, and Q&A for core topics in discrete mathematics, including logic, sets, combinatorics, and graphs.

• Teaching Assistant, COSE354 Information Security (Undergraduate), Fall 2022
  School of Computer Science and Engineering, Korea University.
  Supported lectures and assignments on fundamental information security concepts such as cryptography, network security, and secure systems, and helped design and grade related exercises.

Awards & Honors Link to heading

• Excellence Award for Research Paper, College of Informatics, Korea University
  Spring 2024 — Awarded for work presented at The ACM Web Conference (WWW 2024).

• Excellence Award for Research Paper, College of Informatics, Korea University
  Fall 2024 — Awarded for work presented at ACM Asia Conference on Computer and Communications Security (ASIACCS 2024).

• Outstanding Award, National Cryptographic Competition 2025 (우수상)
  Korea Internet & Security Agency (KISA) Director’s Award — Based on the ACM CCS 2025 paper “Deep Dive into In-app Browsers: Uncovering Hidden Pitfalls in Certificate Validation”.

Competitions Link to heading

• SCAN 2024 – Digital Asset Tracing Competition Finalist (Top 20 Teams)
  Team CoinTopia—Reached the final round of the digital asset tracing competition.

Academic Service Link to heading

• Conference Reviewer, The Web Conference (TheWebConf / WWW) 2024, 2025, 2026

• Journal Reviewer, Journal of Communications and Networks (JCN)