Want to Know if the Election was Hacked? Look at the Ballots

J. Alex Halderman
Nov 23, 2016 · 7 min read
The pink counties predominately use optical scan paper ballots, which can be examined to confirm that the computer voting machines produced an accurate count. Blue counties use paperless voting systems, which require forensic analysis.

What’s to stop an attack like this from succeeding?

There is one absolutely essential security safeguard that protects most Americans’ votes: paper.


J. Alex Halderman

Written by

Professor of Computer Science, University of Michigan

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