National: Hacking the election: questions and answers | Phys.org

The US government’s accusation that Russian government-directed hacking aimed to disrupt the November election comes amid fears about the security of the voting process. The attacks have included breaches of emails of political organizations—blamed on Russia—as well as probes of state voter databases, for which US officials have said they cannot determine the source.
Here are some questions and answers: Can hackers affect the November election results? This is unlikely, voting experts say. There is no single, centralized hub to be hacked, and the system is comprised of over 100,000 precincts and polling places. “While no system is 100 percent hack-proof, elections in this country are secure, perhaps as secure as they’ve ever been,” David Becker of the Center for Election Innovation & Research told a recent congressional hearing. “There isn’t a single or concentrated point of entry for a hacker.” … Dan Wallach, a computer science professor at Rice University who studies voting systems, told lawmakers the biggest vulnerability is voter registration databases. Wallach testified at a House of Representatives hearing on election security that such an effort “can selectively disenfranchise voters by deleting them from the database or otherwise introducing errors.”

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