Cybersecurity and U.S. Election Infrastructure

(turn off scripts to get around paywall - but I’ve snagged what I thought was the most interesting)

Voting Machine Manufacturers: Critical Players in Safeguarding Election Integrity

Three private companies, Election Systems & Software (“ES&S”), Dominion Voting Systems (“Dominion”) and Hart InterCivic (“Hart”) manufacture and manage the vast majority of U.S. electronic voting machines, controlling 84.08 percent of total eligible voter population. ES&S is the largest vendor, holding 37.97 percent of the market share by precinct and servicing more than 90.31 million registered voters. Followed by Dominion who controls 35.14 percent by precinct and Hart with 10.97 percent by precinct.

https://foreignpolicy.com/2020/10/27/election-cybersecurity-cyberattack-critical-infrastructure-voting/

(Img credit from article: https://verifiedvoting.org)

This looks like a good resource for detailed research (by county and state) for voting equipment and verification methods

https://verifiedvoting.org/verifier/#mode/navigate/map/ppEquip/mapType/normal/year/2020