Election Security: How Vulnerable are Voting Machines to Hacking?
![](https://media.wnyc.org/i/800/0/l/85/2018/08/AP_16306484482954.jpg)
In this Oct. 14, 2016 photo, a technician works to prepare voting machines to be used in the upcoming election in Philadelphia.
( AP Photo/Matt Rourke )
( AP Photo/Matt Rourke )
Produced by José Olivares and Ellen Frankman
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