New flash memory acquisition methods based on firmware update protocols for LG Android smartphones. - Juhyun Park; Yun-Hwan Jang; Yongsu Park (Digit. Investig., 2018)

Enhanced Knock Code Authentication with High Security and Improved Convenience. - Yun-Hwan Jang; Yongsu Park (KSII Trans. Internet Inf. Syst., 2018)

Efficient Automatic Original Entry Point Detection. - Gyeong-Min Kim; Juhyun Park; Yun-Hwan Jang; Yongsu Park (J. Inf. Sci. Eng., 2019)