In an age where we can do our banking, shopping, work, and soon drive cars with the internet, security is of the utmost importance.
Seventy-five percent of the country's votes are cast using paper ballots and even many electronic machines print a ballot so that there's a paper trail. But five states (Georgia, Delaware, Louisiana, South Carolina and New Jersey) use electronic voting machines that leave no way to audit results after the fact, according to Pamela Smith, president of Verified Voting, which advocates for transparency in voting machines.
Brian Varner is a security researcher at Symantec, and he has proven that the voting machines in charge of making sure the right person gets access to the nuclear launch codes are not infallible. With a little tinkering on the voting card, he was able to submit his vote multiple times. He was also able to intercept signals that the voting machine was sending to the central database.
Read more about the story at: http://money.cnn.com/2016/08/09/technology/voting-machine-hack-election/index.html