cv

Interests

Network Security
Software-Defined Networking (SDN)
Intent-Based Networking (IBN)
Programmable Data Planes (P4)
Program Analysis
Fuzzing
Static Analysis
Concolic Execution

Education

  • 2020.08 - 2027.05

    West Lafayette, IN

    Ph.D.
    Purdue University
    Computer Science
  • 2015.03 - 2016.08

    Suwon, South Korea

    M.S.
    Sungkyunkwan University
    Platform Software
  • 2011.03 - 2015.02

    Suwon, South Korea

    B.S.
    Sungkyunkwan University
    Software Engineering

Work

  • 2026.05 - 2026.08

    Menlo Park, CA

    SWE Intern
    NetSec Team, Meta
    • Designed formal network policy analysis with ILP heuristics and SMT solvers, reducing time from hours to seconds
  • 2026.01 - 2026.05

    West Lafayette, IN

    Teaching Assistant
    Purdue University
    CS 53600: Data Communication and Computer Networks
  • 2025.08 - 2026.05

    West Lafayette, IN

    Lead Grad Student
    PurSec Lab, Purdue University
    PIs: Prof. Antonio Bianchi, Prof. Z. Berkay Celik, Prof. Dave (Jing) Tian, and Prof. Dongyan Xu
    • Organized weekly security reading groups (10-20 attendees) spanning four PI groups
    • Coordinated lab-wide seminars and social events for a 20-student group
  • 2025.05 - 2025.08

    Menlo Park, CA

    SWE Intern
    NetSec Team, Meta
    • Designed cloud networking visualization tool for AWS
  • 2024.08 - 2026.05

    West Lafayette, IN

    Lead Grad Student
    Dave (Jing) Tian's Research Group, Purdue University
    • Organized research coffee hours and social events for a 10-student group
  • 2020.08 - Present

    West Lafayette, IN

    Research Assistant
    PurSec Lab, Purdue University
    Advisor: Prof. Dave (Jing) Tian
    • Conducted research on fuzzing P4 networks
    • Conducted research on fuzzing intent-based networking
    • Participated in research projects on securing intent-based networking
  • 2016.09 - 2020.07

    Seoul, South Korea

    Research Engineer (Full-Time)
    ATTO Research
    • Created flow-specific database for concurrent and consistent software-defined network updates
    • Designed SDN applications to manage underlay/overlay networks in private cloud
    • Developed secure SDN controller cluster with TLS, RBAC, and flow monitoring
    • Implemented domain-specific language and command-line interface for SDN controller
  • 2015.03 - 2016.06

    Suwon, South Korea

    Teaching Assistant
    Sungkyunkwan University
    • SWE 3010: Compiler Design
    • ICE 2002: Data Structures
    • SWE 2013: Software Creative Project
    • GEDB 029: Basis and Practice in Programming
  • 2014.03 - 2016.08

    Suwon, South Korea

    Research Assistant
    ARCS Lab, Sungkyunkwan University
    Advisor: Prof. Hwansoo Han
    • Participated in research projects on system software for non-volatile memory
  • 2013.08 - 2014.02

    West Lafayette, IN

    Research Intern
    M2M Lab, Purdue University
    NIPA-Purdue Capstone Project, Advisor: Prof. Eric Matson
    • Designed road guidance system for visually impaired
  • 2013.01 - 2013.02

    Seoul, South Korea

    Intern
    Acryl Inc.
    • Developed prototype of Android messenger application
  • 2012.02 - 2012.02

    Seongnam, South Korea

    Intern
    Hancom Corp.
    • Participated in quality assurance team

Mentoring

  • 2026.08 - Present

    West Lafayette, IN

    Colin Crist
    MS, Purdue University
  • 2024.08 - 2025.12

    West Lafayette, IN

    Angela Yan
    Undergraduate Researcher, Purdue University
    Project: Finding vulnerabilities in intent-based networking controller

Volunteer

  • Organizing Committee
    • 2025 IEEE Secure Development Conference (SecDev) (Registration Chair)
  • Technical Program Committee
    • 2027 USENIX Security Symposium (Security)
    • 2026 Hardware and Architectural Support for Security and Privacy (HASP)
    • 2026 USENIX WOOT Conference on Offensive Technologies (WOOT)
    • 2026 EAI International Conference on Security and Privacy in Cyber-Physical Systems and Smart Vehicles (SmartSP)
    • 20232025 IEEE Workshop on the Internet of Safe Things (SafeThings)
  • Artifact Evaluation Committee
    • 20252026 USENIX Security Symposium (Security)
  • External Reviewer
    • 2026 Future Generation Computer Systems
    • 2024 ACM ASIA Conference on Computer and Communications Security (ASIACCS)
    • 2024 Network and Distributed System Security Symposium (NDSS)
    • 2023 International Symposium on Research in Attacks, Intrusions, and Defenses (RAID)

Awards