Shoulder surfing defence for recall-based graphical passwords

  title={Shoulder surfing defence for recall-based graphical passwords},
  author={Nur Haryani Zakaria and David Griffiths and Sacha Brostoff and Jeff Yan},
Graphical passwords are often considered prone to shoulder-surfing attacks, where attackers can steal a user's password by peeking over his or her shoulder in the authentication process. In this paper, we explore shoulder surfing defence for recall-based graphical password systems such as Draw-A-Secret and Background Draw-A-Secret, where users doodle their passwords (i.e. secrets) on a drawing grid. We propose three innovative shoulder surfing defence techniques, and conduct two separate… CONTINUE READING
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