We used an iterative process to design firewall warnings in which the functionality of a personal firewall is visualized based on a physical security metaphor. We performed a study to determine the degree to which our proposed warnings are understandable for users,...
Even though personal firewalls are an important aspect of security for the users of personal computers, little attention has been given to their usability. We conducted semi-structured interviews with a diverse set of participants to gain an understanding of their...
In order to improve current security solutions or devise novel ones, it is important to understand users’ knowledge, behaviour, motivations and challenges in using a security solution. However, achieving this understanding is challenging because of the limitations of...
The Windows Vista personal firewall provides its diverse users with a basic interface that hides many operational details. However, concealing the impact of network context on the security state of the firewall may result in users developing an incorrect mental model...
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