https://www.whitehouse.gov/election-integrity/#voting-systems
here is the complete zip file list
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Vulnerabilities-in-Electronic-Voting-and-Ballot-Counting-Systems
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Chinas-Acquisition-and-Exploitation-of-American-Voter-Data
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Michigan-Voter-Registration-Investigation
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Noncitizens-on-State-Voter-Rolls
along with the web page