Jul 20, 2011 | Research
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,...Oct 4, 2010 | Research
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...Jul 3, 2010 | Research
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...Jul 15, 2009 | Research
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...