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...term), we found that participants in the graphical password condition coped significantly better than those in the text password condition. in particular, they made fewer errors...call errors than participants with graphical passwords. in our study, click-based graphical passwords were significantly less susceptible to multiple password interference in the short-term, while having...
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graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves...tolerance, or margin of error, in clicking on the password points and the effect of the image used in the password system. in our tolerance study, results show...
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...concerns, the existing literature on click- based graphical password schemes that use a single...different types of attack to exploit this hot-spotting effect: a "human-seeded" attack based on harvesting click-points from a small set...
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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...
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...it is a usability failing in the atm authentication mechanism. this paper describes research executed to evaluate whether users find multiple graphical passwords more memorable than multiple pins...of two memory augmentation strategies in increasing memorability of graphical passwords. the results demonstrate that multiple graphical passwords are substantially more effective than...
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...attacks, we introduce a graph-based algorithm to efficiently create dictionaries based on heuristics such as click-order patterns (e.g., five...attack finds 7%-16% of passwords for two representative images using dictionaries of approximately 226 entries (where the full password space is 243). relaxing click-order patterns substantially increased the...
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graphical passwords have been demonstrated to be the possible alternatives to traditional alphanumeric passwords. however, they still tend to follow predictable patterns that are easier to...baroque music to the passpoints graphical password scheme and conduct a laboratory study in this paper. results shown that...
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click-based graphical passwords, like other user-selected passwords, suffer from predictability problems. with click-based graphical passwords, user click-points form hotspots, areas of...selected, which e-criminals can predict and use to launch dictionary attacks. our system, persuasive cued click-points, helps users select more random click-points and reduces the appearance...
Published in 2007.
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...known problems with traditional text passwords. for example, memorable user-chosen text passwords are predictable, but random system-assigned passwords are difficult to remember. we...increase the security of a click-based graphical password system. generally, usability tests for graphical passwords have used configurations resulting in password spaces smaller than that of...
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click-based graphical passwords have attractive usability properties, such...image size and number of click-points in each password significantly affect their security. we investigated the usability of such a graphical password system when its parameters were...