Recently @hackerfantastic on Twitter has a few videos of hacked Diebold voting machines [1,2,3,4] along with a blog post [5] and the git repository [6]. From this I followed the link to a video on twitter on how to get admin access on some voting machines.[7]

[1]: https://twitter.com/hackerfantastic/status/11874911773035520...

[2]: https://twitter.com/hackerfantastic/status/11881873784368046...

[3]: https://twitter.com/hackerfantastic/status/11872782894353899...

[4]: https://twitter.com/hackerfantastic/status/11881788254876057...

[5]: https://hacker.house/lab/hacking-elections-diebold-accuvote-...

[6]: https://github.com/hackerhouse-opensource/electionhacking

[7]: https://twitter.com/RachelTobac/status/1028437783050776576