A hybrid graphical password based system
ICA3PP'11 Proceedings of the 11th international conference on Algorithms and architectures for parallel processing - Volume Part II
Graphical passwords: Learning from the first twelve years
ACM Computing Surveys (CSUR)
Exploration and field study of a password manager using icon-based passwords
FC'11 Proceedings of the 2011 international conference on Financial Cryptography and Data Security
Revisiting graphical passwords for augmenting, not replacing, text passwords
Proceedings of the 29th Annual Computer Security Applications Conference
On the security of picture gesture authentication
SEC'13 Proceedings of the 22nd USENIX conference on Security
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Click based graphical passwords that use background images suffer from hot-spot problem. Previous graphical password schemes based on recognition of images do not have a sufficiently large password space suited for most Internet applications. In this paper, we propose two novel graphical password methods based on recognition of icons to solve the hotspot problem without decreasing the password space. The experiment we have conducted that compares the security and usability of proposed methods with earlier work (i.e. Passpoints) shows that hotspot problem can be eliminated if a small increase in password entrance and confirmation times is tolerable.