Your tapstroke tells who you are: authenticating smartphone users with tapstroke-driven vibrations. - Junhyub Lee; Insu Kim; Jeongwoo Heo; Hyosu Kim (MobiSys, 2022)

MagPie: Extending a Smartphone's Interaction Space via a Customizable Magnetic Back-of-Device Input Accessory. - Insu Kim; Suhyeon Shin; Jaemin Choi; Junseob Kim; Junhyub Lee; Sangeun Oh; Eunji Park; Hyosu Kim (CHI, 2025)

TaPIN: Reinforcing PIN Authentication on Smartphones With Tap Biometrics. - Junhyub Lee; Insu Kim; Sangeun Oh; Hyosu Kim (IEEE Trans. Mob. Comput., 2025)