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Colour, usability and computer security
If you have a question about this talk, please contact Jonathan Anderson.
Note unusual time
The use of colour in user interfaces is extensive. It is typically a usability issue, and has rarely caused any security concerns. In this talk, I show that the use of colours in the design of CAPTCHA , a standard security technology that has found widespread applications in commercial websites, can have interesting but critical implications on both security and usability. For example, we have broken multiple CAPTCH As, including the scheme deployed by Megaupload.com (one of the largest file sharing websites), by exploiting the colour patterns in these schemes.
This talk is part of the Computer Laboratory Security Seminar series.
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Other listsEED Film Series: 'City of God' Computer Science Careers Events cri
Other talksTBA Ellen McArthur Lecture: Eve Also Delved: Gendering Economic History (2) Postnatal ontogeny of the cranial base in modern humans and chimpanzees Gene and Genome Regulation in Early Fruit Fly Neurogenesis. Sense of Place lecture series: "Wilno" 'Designing in' informal interaction in bioscience architecture: design intent and scientists' practices