Effect of password sentences with emotional content

The usage of passwords as an authentication method does not show any sign of decreasing; to the contrary, passwords are used more than ever. In order to keep passwords secure enough to match assurance levels of the services users’ knowledge has to be updated. Users’ confidence to generate strong but still memorable passwords; password self-efficiency, can be increased by allowing full sentences to be used as login secrets. In this paper, we show the results of two independent experiments where full sentences were used as login secrets. The sentences which were used in these experiments had either positive or negative content. The sentences with positive content were remembered better than sentences with negative content in both experiments.

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