UCSD Jacobs School of Engineering University of California San Diego
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Analysis of Vulnerable Electronic Voting Machines

Computer science graduate student and computer security expert Tadayoshi Kohno testified July 7 before a congressional committee that a popular type of Diebold touch-screen voting machine lacked basic security technology, which makes the machines "vulnerable to simple and easy-to-mount integrity and privacy-compromising attacks." Before coming to UCSD three years ago, Kohno was a computer security consultant to American Express, VISA, and other companies. "I'm most interested in an area of cryptography called ‘practice-oriented provable security,' and UCSD professor Mihir Bellare pioneered this area," said Kohno. "I came here specifically to study with him." Kohno is co-author of a paper in IEEE Symposium on Security and Privacy 2004 that described the analysis of 49,609 lines of C++ computer code that run the Diebold AccuVote-TS machines.