Kovila P. L. Coopamootoo

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Privacy is a concept with real life ties and implications. Privacy infringement has the potential to lead to serious consequences for the stakeholders involved, hence researchers and organisations have developed various privacy enhancing techniques and tools. However, there is no solution that fits all, and there are instances where privacy solutions could(More)
Individuals usually build small-scale representation of reality to help them navigate their environment. Although mental models have been used in HCI before, they mostly occur as analogies and metaphor within the privacy and security research space. The meaning for users, the values associated and reasoning over online privacy have not been investigated(More)
Elicitation of privacy concern is a difficult task due to its sensitivity to priming effects. The methodology poses the risk of triggering cognitive processing and activation of mental models leading to responses that might not usually arise in everyday interactions. Privacy is highly contextual and end users' privacy requirements vary with time, beliefs,(More)
This paper reports on a lab experiment with 100 subjects which is the first to investigate the impact of cognitive effort and depletion on the choice of user passwords. Two groups of 50 subjects each were asked to generate a password. One group was cognitively depleted, the other was not. Password strength was measured and compared across groups. We find(More)
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