Researchers at the University of Michigan (UM) found that ballot-marking devices (BMDs), which will be used as the default voting machines for at least 18% of U.S. districts in November’s presidential election, lack sufficient safeguards from hacking.
BMDs let voters cast their votes using a computer touchscreen, and produces paper records of those votes.
In the study of 241 people who voted on BMDs in a simulated election and had at least one of their votes changed by the system on the printed-out ballot, researchers found just 40% of people reviewed their ballot and only 7% informed a poll worker something was wrong.
The researchers concluded that if hackers changed 1% to 2% of votes in a close election, they would not be discovered.
Said UM’s Alex Halderman, "There is a strong security reason to prefer hand-marked paper ballots."
From The Washington Post
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