CONFERENCE

• • AVXProbe: Enhancing Website Fingerprinting with Side-Channel-Assisted Kernel-Level Traces; Suryeon Kim, Seung Ho Na, Jaehan Kim, Seungwon Shin, Hyunwoo Choi; AsiaCCS, 2025; AR: 20.4% (114/558)

  • AVX Timing Side-Channel Attacks against Address Space Layout Randomization; Hyunwoo Choi, Suryeon Kim, Seungwon Shin; DAC, 2023; AR: 22.7% (263/1156); Best Paper Award Nominee
    [Preprint] [Code]

  • When Cellular Networks Met IPv6: Security Problems of Middleboxes in IPv6 Cellular Networks; Hyunwook Hong, Hyunwoo Choi, Dongkwan Kim, Hongil Kim, Byeongdo Hong, Jiseong Noh, Yongdae Kim; IEEE EuroS&P, 2017

  • Enabling Automatic Protocol Behavior Analysis for Android Applications; Hyunwoo Choi*, Jeongmin Kim*, Hun Namkung, Woohyun Choi, Byungkwon Choi, Hunwook Hong, Yongdae Kim, Jonghyup Lee, Dongsu Han; ACM CoNEXT, 2016 (*co-first author)

  • PIkit: A New Kernel-Independent Processor-Interconnect Rootkit; Wonjun Song, Hyunwoo Choi, Junhong Kim, Eunsoo Kim, Yongdae Kim, John Kim; USENIX Security, 2016

  • Pay as You Want: Bypassing Charging System in Operational Cellular Networks; Hyunwook Hong, Hongil Kim, Byeongdo Hong, Dongkwan Kim, Hyunwoo Choi, Eunkyu Lee, Yongdae Kim; WISA, 2016

  • Run Away If You Can: Persistent Jamming Attacks against Channel Hopping Wi-Fi Devices in Dense Networks; Il-Gu Lee, Hyunwoo Choi, Yongdae Kim, Seungwon Shin, Myungchul Kim; RAID, 2014

  • BinProxy: New Paradigm of Binary Analysis With Your Favorite Web Proxy; Dongjoo Ha, Hyunwoo Choi, Sunyoung Sim, Joobong Cho, Jisun Kim, Gyeongik Jang; HITCON, 2014

JOURNAL

• • AVX-TSCHA: Leaking Information Through AVX Extensions in Commercial Processors; Suryeon Kim, Seungwon Shin, Hyunwoo Choi; Elsevier Computers & Security, 2023

  • Peeking Over the Cellular Walled Gardens - A Method for Closed Network Diagnosis -; Byeongdo Hong, Shinjo Park, Hongil Kim, Dongkwan Kim, Hyunwook Hong, Hyunwoo Choi, Jean-Pierre Seifert, Sung-Ju Lee, Yongdae Kim; IEEE TMC, 2018

  • Large-Scale Analysis of Remote Code Injection Attacks in Android Apps; Hyunwoo Choi, Yongdae Kim; SCN, 2018

  • Extractocol: Automatic Extraction of Application-level Protocol Behaviors for Android Applications; Hyunwoo Choi, Jeongmin Kim, Hyunwook Hong, Yongdae Kim, Jonghyup Lee, Dongsu Han; ACM CCR, 2015

PATENT

• Apparatus and method for diagnosing anomaly in mobile communication network; Yongdae Kim, Byeong Do Hong, Sung-Ju Lee, Shinjo Park, Hongil Kim, HyunWook Hong, Dongkwan Kim, Hyunwoo Choi; U.S. Patent No. 10,111,120, 2018

AWARDS

CTF

• • 5th Prize, HDCON 2015

  • 1st Prize, WHITEHAT CONTEST 2014

  • 8th Rank, DEF CON CTF 2013

  • 4th Prize, HDCON 2011

  • 1st Prize, ISEC CTF 2010

  • 1st Prize, HDCON 2010

  • 2nd Prize, ISEC CTF 2009

  • 8th Rank, DEF CON CTF 2009