Ciphercard: A token-based approach against camera-based shoulder surfing attacks on common touchscreen devices

• Main Authors: SEYED, Teddy, YANG, Xing-Dong, TANG, Anthony, GREENBERG, Saul, GU, Jiawei, ZHU, Bin, CIAO, Xiang
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2015
• Subjects: Capacitive touchscreen; PIN entry; Security; Shoulder-surfing attack; Graphics and Human Computer Interfaces
• Online Access: https://ink.library.smu.edu.sg/sis_research/7984; https://ink.library.smu.edu.sg/context/sis_research/article/8987/viewcontent/Ciphercard.pdf
• Institution: Singapore Management University

We present CipherCard, a physical token that defends against shoulder-surfing attacks on user authentication on capacitive touchscreen devices. When CipherCard is placed over a touchscreen’s pin-pad, it remaps a user’s touch point on the physical token to a different location on the pin-pad. It henc...