A potential flaw in a kind of electronic voting machine used in several U.S. states was discovered and publicized by researchers from Johns Hopkins and Rice Universities. It purportedly can make the machine vulnerable to security breaches that would allow a single individual to cast multiple votes. The conclusions of the researchers are outlined in a 24-page study. After providing an overview of the voting system in question, which requires users to insert a smart card to cast a vote, the report suggests that homemade smart cards could be used to gain an unacceptable level of access. Examples of violations include, as was mentioned above, the ability to submit multiple ballots, as well as "viewing partial results and terminating the election early."
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