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Issue No. 04 - April (2012 vol. 45)
ISSN: 0018-9162
pp: 58-65
Andrea Bianchi , KAIST, South Korea
Ian Oakley , University of Madeira, Portugal
Dong-Soo Kwon , KAIST, South Korea
Invisible input and output modalities, such as haptics and audio, are a potentially effective defense against observation-based attacks on PIN entry systems. However, the successful implementation of such systems calls for some general design guidelines. The featured Web extra is a video of Andrea Bianchi, Ian Oakley and Dong-Soo Kwon showing how haptics and audio input and output modalities can help keep passwords safe for users of ATMs and other devices. Erratum: The email address for Dong-Soo Kwon is incorrect. Instead of, it should be
human-computer interaction, haptics and audio, authentication, mobile computing

A. Bianchi, I. Oakley and D. Kwon, "Open Sesame: Design Guidelines for Invisible Passwords," in Computer, vol. 45, no. , pp. 58-65, 2012.
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