Modeling user choice in the PassPoints graphical password scheme

@inproceedings{Dirik2007ModelingUC,
  title={Modeling user choice in the PassPoints graphical password scheme},
  author={Ahmet Emir Dirik and Nasir D. Memon and Jean-Camille Birget},
  booktitle={SOUPS},
  year={2007}
}
We develop a model to identify the most likely regions for users to click in order to create graphical passwords in the PassPoints system. A PassPoints password is a sequence of points, chosen by a user in an image that is displayed on the screen. Our model predicts probabilities of likely click points; this enables us to predict the entropy of a click… CONTINUE READING

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