NPR

What You Need To Know About U.S. Election Security And Voting Machines

Because most elections truly are local, it would be nearly impossible for a foreign adversary to touch them all with a single effort. But, that diversity also comes with security challenges.
Much of the fleet of electronic voting machines in the United States was designed without security in mind, in response to the last big national flap over an election in 2000.

Voting systems in the United States have come a long way since the hanging chads of the 2000 recount in Florida — but now cybersecurity is as big a concern as ballot fidelity.

Here's what you need to know.

The good news

There are about 3,200 counties or their equivalents across the United States and its territories, ranging in size from Los Angeles County with around 10 million residents to Kalawao County, Hawaii, with fewer than 100. Most counties — more than 70%.

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