Aplace

Undergrad computer science researcher, focused on vulnerability detection, reverse engineering, and applied security systems.

Now Exploring Graduated Schools, Internships, and Further Opportunities

Primary focus
Program analysis & Reverse engineering
Secondary focus
Computational Theory
Aplace's GitHub profile picture

Working On

The projects and roles that shape what I spend time on today.

  • Personal Projects

    Binary analysis helper

  • Studying Topics

    Static program analysis, Kernels

Interested In

Areas I keep revisiting and exploring.

  • Hacking

    Reverse engineering and pwning, usually with a research angle.

  • Taint Analysis

    Symbolic execution, concolic analysis, and fuzzing.

  • Computational Theory

    Compilers, programming language theory, and formal verification.

Experience

My journey stacked from what I've done.

  1. 2026.07 – Present

    Intern Researcher

    Theori

    Lecture writing and developing CTF challenges for the cybersecurity learning platform.

  2. 2024.09 – 2026.06

    Undergrad. Research Intern

    CompSec Lab, POSTECH

    Researching vulnerability detection and management techniques on supply chain.
    2025-12: Awarded for CSED499II (Research Project II) for "CFG Analysis Based Open-Source Library Vulnerability Management"

  3. 2024.06 – 2024.09

    Internship

    AUTOCRYPT

    Developed an OP-TEE OS fuzzer.

  4. 2024.02 – Present

    Member

    G-POS, POSTECH

    Developing a 3D VR FPS game.

  5. 2023.10 – 2024.10

    President

    PLUS, POSTECH

  6. 2022.09 – Present

    Member

    PLUS, POSTECH

    Playing CTFs, seminars, and research projects.

  7. 2021.03 – 2022.02

    Vice President

    MAD, Jeonbuk Science High School

    Held seminars and a data analysis project.

  8. 2019.03 – 2022.02

    Member

    CRACK, Jeonbuk Science High School

    Developed a student board app.

Education

Formal scholar history; My environment variables.

  1. 2022.02 – 2026.08

    B.S. in Computer Science

    POSTECH

    Expected to graduate in 2026.08.

  2. 2019.03 – 2022.02

    High School

    Jeonbuk Science High School

Selected Captures

CTF placements. Memorable wins and losses.

  1. DEF CON CTF 34 Final

    Cold Fusion

    4th
  2. DEF CON CTF 34 Quals

    Cold Fusion

    3rd
  3. DEF CON CTF 33 Final

    Cold Fusion

    10th
  4. DEF CON CTF 33 Quals

    Cold Fusion

    8th
  5. 2025 SSU CTF

    PLUS

    2nd
  6. 2024 HITCON CTF

    Cold Fusion

    6th
Show all 19
  1. Hack The Drone 2024 Final

    CompSec

    Technical Award
  2. 2024 POSTECH-KAIST Science War

    PLUS

    2nd
  3. Hack The Drone 2024 Qualifier

    CompSec

    2nd
  4. DEF CON 32 CTF Final

    Cold Fusion

    9th
  5. .HACK 2024

    Aplace

    Finalist
  6. DEF CON 32 CTF Quals

    Cold Fusion

    6th
  7. LINE CTF 2024

    Cold Fusion

    7th
  8. 2023 HITCON CTF

    프로그램털모찌

    4th
  9. Balsn CTF 2023

    PLUS :flag_kr:

    8th
  10. 2023 POSTECH-KAIST Science War

    PLUS

    2nd
  11. 2023 HITCON CTF Quals

    프로그램털모찌

    6th
  12. SSTF 2023

    Cy + Kr

    3rd
  13. Hacktheon Sejong 2023

    세종청사통근버스펑크빌런

    Finalist