A New Countermeasure against Brute-Force Attacks That Use High Performance Computers for Big Data Analysis. - Hyun-Ju Jo; Ji Won Yoon (Int. J. Distributed Sens. Networks, 2015)

Visual Honey Encryption: Application to Steganography. - Ji Won Yoon; Hyoungshick Kim; Hyun-Ju Jo; Hyelim Lee; Kwangsu Lee (IACR Cryptol. ePrint Arch., 2017)

The Vulnerability Exploitation Conveying Digital Data Over Mobile Voice Call Channels. - Seungjoon Lee; Young-Mok Ha; Sungjun Yoon; Hyun-Ju Jo; Soohee Jang; Jiyeon Lee; Youngan Kim; Ji Won Yoon (Wirel. Pers. Commun., 2017)