JY· Jonghyuk Yun
RESEARCH / PUBLICATIONS

Publications

Google Scholar ↗

2027

Introductory figure for ScatterPIN: PIN Inference Attack on Touch Keypad Door Locks via RF Backscatter Side Channel
IEEE S&P '27 Conference

ScatterPIN: PIN Inference Attack on Touch Keypad Door Locks via RF Backscatter Side Channel

Changgeon Kang, Dongjin Seo, Jonghyuk Yun, Seungbeom Park, Junyong Kim, and Jun Han

IEEE Symposium on Security and Privacy (To appear)

2026

Introductory figure for Fold2Unfold: Screen Privacy Protection against Shoulder Surfing using Inter-Screen Reflection on Foldable Smartphones
ACM UIST'26 Conference

Fold2Unfold: Screen Privacy Protection against Shoulder Surfing using Inter-Screen Reflection on Foldable Smartphones

Kyoosik Lee, Jiha Kim, Jonghyuk Yun, Suwon Yoon, Jun Han*, Inseok Hwang*

ACM Symposium on User Interface Software and Technology (To appear)

* Co-corresponding authors

Video
Introductory figure for SweepLED: Detecting Concealed Cameras via LED Illumination Sweeps
ACM MobiSys'26 Conference

SweepLED: Detecting Concealed Cameras via LED Illumination Sweeps

Jonghyuk Yun, Jaeyoung Moon, Yunseo Park, Sean Rui Xiang Tan, Byunghyun Kim, Rajesh Krishna Balan, and Jun Han

ACM International Conference on Mobile Systems, Applications, and Services

Paper Slides Video
Poster Abstract: ACM MobiSys'26 Poster

Poster: Detecting Hidden Cameras using LED Illumination Sweeps

Jonghyuk Yun, Jaeyoung Moon, Yunseo Park, Sean Rui Xiang Tan, Byunghyun Kim, Rajesh Krishna Balan, and Jun Han

ACM International Conference on Mobile Systems, Applications, and Services

Poster abstract Poster
ACM UIST '26 Demo Demo

Demonstrating Fold2Unfold: Screen Privacy Protection against Shoulder Surfing using Inter-Screen Reflection on Foldable Smartphones

Kyoosik Lee, Jiha Kim, Jonghyuk Yun, Suwon Yoon, Jun Han*, Inseok Hwang*

ACM Symposium on User Interface Software and Technology (To appear)

* Co-corresponding authors

Video

2025

Introductory figure for Mind Your Indices! Index Hijacking Attacks on Collaborative Unpooling Autoencoder Systems
Internet of Things Journal

Mind Your Indices! Index Hijacking Attacks on Collaborative Unpooling Autoencoder Systems

Kichang Lee, Jonghyuk Yun, Jaeho Jin, Jun Han, and Jeonggil Ko

Internet of Things, 2025. (IF=6.0, JCR IF TOP 11.4%)

Paper

2024

ACM GetMobile'24 Journal

Smartphone to Rescue: Detecting Counterfeit Powdered Food Products

Jonghyuk Yun, Kyoosik Lee, Kichang Lee, Bangjie Sun, Jaeho Jeon, Jeonggil Ko, Inseok Hwang, and Jun Han

GetMobile: Mobile Computing and Communications (Invited Article)

Paper
POSTER ABSTRACT: ACM MobiSys’24 Poster

Towards Counterfeit Powdered Food Products Detection using a Commodity Smartphone

Jonghyuk Yun, Kyoosik Lee, Kichang Lee, Bangjie Sun, Jaeho Jeon, Jeonggil Ko, Inseok Hwang, and Jun Han

ACM International Conference on Mobile Systems, Applications, and Services

Poster abstract Poster

2023

Introductory figure for RampScope: Ramp-level Localization of Shared Mobility Devices using Sidewalk Ramps
ACM HotMobile’23 Workshop

RampScope: Ramp-level Localization of Shared Mobility Devices using Sidewalk Ramps

BEST POSTER AWARD 📷 (*Poster accompanied full paper)

Jonghyuk Yun*, Gyuyeon Kim*, Soundarya Ramesh, and Jun Han

ACM International Workshop on Mobile Computing Systems and Applications

* Co-primary authors

Paper Slides
DEMO ABSTRACT: ACM MobiSys’23 Demo

Exploiting Indices for Man-in-the-Middle Attacks on Collaborative Unpooling Autoencoders

Kichang Lee, Jonghyuk Yun, Jun Han, and JeongGil Ko

ACM International Conference on Mobile Systems, Applications, and Services

Paper
CONTACT
jonghyuk.yun@kaist.ac.kr↗