I am a Postdoctoral Research Associate in the Department of Computer Science at the University of Virginia, working with Prof. Yixin Sun. I earned my Ph.D. and B.S. degrees in Computer Science and Engineering from Seoul National University, where I was co-advised by Prof. Taekyoung “Ted” Kwon (Seoul National University) and Prof. Taejoong “Tijay” Chung (Viginia Tech).

[ANNOUNCEMENT] I will be joining Hanyang University ERICA as a tenure-track Assistant Professor in the Division of Computer Science, College of Computing, starting in Spring 2026.

Research Interests

  • Network Security: Securing Internet infrastructure through data-driven security analysis, protocol development and optimization, and threat mitigation.
  • Key Topics: Domain Name System (DNS), Public Key Infrastructure (PKI), Transport Layer Security (TLS), and Email security.

Positions

  • Postdoctoral Research Associate
    Oct 2023 - Present

    University of Virginia, Charlottesville, VA, United States

  • Postdoctoral Researcher
    Apr 2022 - Sep 2023

    Seoul National University, Seoul, South Korea

Education

  • Ph.D., Computer Science and Engineering
    Mar 2016 - Feb 2022

    Seoul National University, Seoul, South Korea

  • B.S., Computer Science and Engineering
    Mar 2011 - Feb 2016

    Seoul National University, Seoul, South Korea

  • Visiting student, Information Technology
    Fall 2014

    Uppsala University, Uppsala, Sweden

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