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A Comprehensive Study of Frequency, Interference, and Training of Multiple Graphical Passwords
 

Summary: A Comprehensive Study of Frequency, Interference,
and Training of Multiple Graphical Passwords
Katherine M. Everitt, Tanya Bragin, James Fogarty, Tadayoshi Kohno
Computer Science & Engineering
DUB Group, University of Washington
Seattle, WA 98195
{everitt, tbragin, jfogarty, yoshi}@cs.washington.edu
ABSTRACT
Graphical password systems have received significant
attention as one potential solution to the need for more
usable authentication, but nearly all prior work makes the
unrealistic assumption of studying a single password. This
paper presents the first study of multiple graphical
passwords to systematically examine frequency of access to
a graphical password, interference resulting from
interleaving access to multiple graphical passwords, and
patterns of access while training multiple graphical
passwords. We find that all of these factors significantly
impact the ease of authenticating using multiple facial
graphical passwords. For example, participants who

  

Source: Anderson, Richard - Department of Computer Science and Engineering, University of Washington at Seattle
Kohno, Tadayoshi - Department of Computer Science and Engineering, University of Washington at Seattle

 

Collections: Computer Technologies and Information Sciences