• Publications
  • Influence
Is a picture really worth a thousand words? Exploring the feasibility of graphical authentication systems
TLDR
The weakness of knowledge-based authentication systems, such as passwords and Personal Identification Numbers (PINs), is well known, and reflects an uneasy compromise between security and human memory constraints. Expand
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Predicting technology acceptance and adoption by the elderly: a qualitative study
TLDR
This paper makes a contribution to understanding technology acceptance by senior users and should be of interest to researchers, designers and decision-makers on technology adoption, especially mobile features and services. Expand
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"You've Got E-Mail!" ... Shall I Deal With It Now? Electronic Mail From the Recipient's Perspective
TLDR
This article considers the nature of e-mail from the recipient's perspective-what the seemingly free and easy communication really costs the recipient. Expand
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On user involvement in production of images used in visual authentication
  • K. Renaud
  • Computer Science
  • J. Vis. Lang. Comput.
  • 1 February 2009
TLDR
In this paper the notion of essential and tuning image properties is proposed. Expand
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A framework for continuous, transparent mobile device authentication
TLDR
We address two distinct problems with de facto mobile device authentication, as provided by a password. Expand
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Why Doesn't Jane Protect Her Privacy?
TLDR
End-to-end encryption has been heralded by privacy and security researchers as an effective defence against dragnet surveillance, but there is no evidence of widespread end-user uptake. Expand
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The influence of self-esteem and locus of control on perceived email-related stress
TLDR
This paper develops a threefold typology of orientations to email: 'relaxed', 'driven' and 'stressed'. Expand
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My password is here! An investigation into visuo-spatial authentication mechanisms
TLDR
This paper discusses graphical authentication mechanisms in general and reports on the evaluation of one particular visuo-spatial mechanism, aimed at augmenting the password paradigm by providing a way to record passwords securely. Expand
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Visual passwords: cure-all or snake-oil?
TLDR
Introduction Users of computer systems are accustomed to being asked for passwords -- it is as universal as it is frustrating. Expand
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Quantifying the quality of web authentication mechanisms: a usability perspective
TLDR
This paper will review the research into different types of authentication mechanisms, including simple passwords, and propose a mechanism for quantifying the quality of different authentication mechanisms to support an informed choice for web site administrators. Expand
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