Hyosang Kim

Ph.D. Student

Location

Engineering Research Park 212D

hyosangkim@dgist.ac.kr

Research Interests

System Security
Architecture Security
Web Security
Power-efficient Computing Systems

Education

2018~, B.S–M.S–Ph.D. Integrated Course, Dept. of Electrical Engineering and Computer Science, DGIST
2015~2019, Bachelor of Convergence engineering, School of Basic Science, DGIST

Publications

* Corresponding Author

ISCA | TOP-Tier | Security

DarkStream: Exploiting Internal Throughput Contention in Data Streaming Accelerator for Timing Attacks

Hyosang Kim, Ki-Dong Kang, Gyeongseo Park, Sungju Kim, and Daehoon Kim^*.

IEEE/ACM International Symposium on Computer Architecture (ISCA), 2026

HPCA | TOP-Tier | Security

BrokenSleep: Remote Power Timing Attack Exploiting Processor Idle States

Hyosang Kim, Gyeongseo Park, Ki-Dong Kang, Seungkyu Lee, and Daehoon Kim^*.

IEEE International Symposium on High-Performance Computer Architecture (HPCA), 2025

PACT | TOP-Tier | Cloud Next-Gen Memory System

vSPACE: Supporting Parallel Network Packet Processing in Virtualized Environments through Dynamic Core Management

Gyeongseo Park, Minho Kim, Ki-Dong Kang, Yunhyeong Jeon, Sungju Kim, Hyosang Kim, and Daehoon Kim^*.

International Conference on Parallel Architectures and Compilation Techniques (PACT), 2024

MICRO | TOP-Tier | Cloud Power/Resource Management

NMAP: Power Management Based on Network Packet Processing Mode Transition for Latency-Critical Workloads

Ki-Dong Kang, Gyeongseo Park, Hyosang Kim, Mohammad Alian, Nam Sung Kim, and Daehoon Kim^*.

IEEE/ACM International Symposium on Microarchitecture (MICRO), 2021

Patents

Method and System for securing a communication channel for the trusted execution environment

Daehoon Kim, Hyungwon Park, Hyosang Kim, Yongkyung Kim, and Won Lee.

issued, Korea, Application No. 10-2020-0075310 (2020.06.19), Registration No. 10-2349858 (2022.01.06)

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Hyunkyun Shin, Seongtae Bang, Yewon Jang, Minwoo Jang, Chansub Jeong, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee, Sungju Kim, Yunhyeong Jeon,
row 2: Seulki Kim, Hyungwon Park, Kyeonghyeon Ryu, Yeji Jung, Hyosang Kim, Jongmin Shin, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Kyeonghyeon Ryu, Seongtae Bang, Yeji Jung, Yewon Jang, Yunhyeong Jeon, Chansub Jeong, Sangwoong Kim, Hyosang Kim, Sungju Kim, Jongmin Shin, Seonggyu Han,
row 2: Hwanjun Lee, Hyunkyun Shin, Hyungwon Park, Seulki Kim, Minwoo Jang, Minho Kim, and Jungbo Kim.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Minwoo Jang, Seulki Kim, Yeji Jung, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Hyungwon Park, Minwoo Jang, Seulki Kim, Yeji Jung, and Seonggyu Han.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Sungju Kim, Seongtae Bang, Hwanjun Lee, Hyunkyun Shin, Minho Kim, Seonmu Oh, Hyosang Kim, Sangwoong Kim, Jungbo Kim,
row 2: Kyeonghyeon Ryu, Yunhyeong Jeon, Hyungwon Park, Dr. Gyeongseo Park, Minwoo Jang, Jongmin Shin, Seulki Kim, Yeji Jung, and Seungkyu Lee.

(from top to bottom) (from left to right)
row 1: Prof. Daehoon Kim, Seongtae Bang, Hwanjun Lee, Kyeonghyeon Ryu, Minho Kim, Minwoo Jang, Seulki Kim, Seungkyu Lee, Hyunkyun Shin, Sangwoong Kim, Hyosang Kim, Jungbo Kim, Sungju Kim,
row 2: Hyungwon Park, Jongmin Shin, Dr. Gyeongseo Park, Yeji Jung, Yunhyeong Jeon, and Seonmu Oh.

Dr. Gyeongseo Park received his Ph.D. degree. (from left to right)
Dr. Ki-Dong Kang, Dr. Gyeongseo Park, and Hyosang Kim.

Dr. Seunghak Lee (Ph. D.) and Heesoo Kim (M.S.) received their degrees. (from top to bottom) (from left to right)
row 1: Kyeonghyeon Ryu, Sangwoong Kim, Dr. Seunghak Lee, Heesoo Kim, Seungkyu Lee, Minho Kim, Hwanjun Lee,
row 2: Hyosang Kim, Dr. Gyeongseo Park,
row 3: Yeji Jung, Sungju Kim, Yunhyeong Jeon, and Hyungwon Park.

(from top to bottom) (from left to right)
row 1: Dr. Gyeongseo Park, Yunhyeong Jeon, Jungbo Kim, Seungkyu Lee, Minho Kim, Sangwoong Kim, Prof. Daehoon Kim,
row 2: Seonmu Oh, Sungju Kim, Kyeonghyeon Ryu, Hyosang Kim, Minhyeok An, Dr. Seunghak Lee, Seulki Kim,
row 3: Hwanjun Lee, Yeji Jung, Seonggyu Han, Minwoo Jang, Hyungwon Park, Jongmin Shin, Seongtae Bang, and Heesoo Kim.

Dr. Ki-Dong Kang received his Ph.D. degree. (from left to right)
Hyosang Kim, Minhyeok An, Seungkyu Lee, Sangwoong Kim, Hwanjun Lee, Dr. Seunghak Lee, Minho Kim, Minwoo Jang, Seongtae Bang, Dr. Ki-Dong Kang, Heesoo Kim, Hyungwon Park, Jungbo Kim, Seulki Kim, and Yeji Jung.

(from left to right)
K-Dong Kang, Dr. Seunghak Lee, and Hyosang Kim.

(from top to bottom) (from left to right)
row 1: Dr. Ki-Dong Kang, Seongtae Bang, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee,
row 2: Seulki Kim, Hyosang Kim, Seungkyu Lee, Minwoo Jang, Heesoo Kim, Dr. Seunghak Lee, Prof. Daehoon Kim,
row 3: Kyeonghyeon Ryu, Jongmin Shin, Seonggyu Han, Dr. Gyeongseo Park, Hyungwon Park, Yeji Jung, and Minhyeok An.

6 years of research at CASLAB (from top to bottom) (from left to right)
row 1: Dr. Ki-Dong Kang, Seongtae Bang, Sangwoong Kim, Jungbo Kim, Minho Kim, Hwanjun Lee,
row 2: Seulki Kim, Hyosang Kim, Seungkyu Lee, Minwoo Jang, Heesoo Kim, Dr. Seunghak Lee, Prof. Daehoon Kim,
row 3: Kyeonghyeon Ryu, Jongmin Shin, Seonggyu Han, Dr. Gyeongseo Park, Hyungwon Park, Yeji Jung, and Minhyeok An.

(from top to bottom) (from left to right)
row 1: Hwanjun Lee, Sangwoong Kim, Seongtae Bang, Dr. Ki-Dong Kang, Minho Kim, Minhyeok An, Minwoo Jang, Prof. Daehoon Kim,
row 2: Kyeonghyeon Ryu, Jungbo Kim, Dr. Gyeongseo Park, Jongmin Shin, Seulki Kim, Seungkyu Lee,
row 3: Seonggyu Han, Dr. Seunghak Lee, Yeji Jung, Hyungwon Park,
row 4: Hyosang Kim, and Heesoo Kim.

Happy lab life (from top to bottom) (from left to right)
row 1: Hwanjun Lee, Sangwoong Kim, Seongtae Bang, Dr. Ki-Dong Kang, Minho Kim, Minhyeok An, Minwoo Jang, Prof. Daehoon Kim,
row 2: Kyeonghyeon Ryu, Jungbo Kim, Dr. Gyeongseo Park, Jongmin Shin, Seulki Kim, Seungkyu Lee,
row 3: Seonggyu Han, Dr. Seunghak Lee, Yeji Jung, Hyungwon Park,
row 4: Hyosang Kim, and Heesoo Kim.

(from top to bottom) (from left to right)
row 1: Seonggyu Han, Jongmin Shin, Hyosang Kim, Sangwoong Kim, Seongtae Bang, Seungkyu Lee, Minho Kim,
row 2: Hwanjun Lee, Dr. Gyeongseo Park, Dr. Ki-Dong Kang, Prof. Daehoon Kim, Dr. Seunghak Lee, Hyungwon Park, and Minwoo Jang.

(from left to right)
Hyosang Kim, Jongmin Shin, Dr. Gyeongseo Park, Minwoo Jang, Seungkyu Lee, Hyungwon Park, Dr. Seunghak Lee, Minho Kim, Dr. Ki-Dong Kang, and Prof. Daehoon Kim.

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