Today, at the Microsoft Build developer conference, CEO Satya Nadella announced ElectionGuard, a free open-source software development kit (SDK) from our Defending Democracy Program. ElectionGuard will make voting secure, more accessible, and more efficient anywhere it’s used in the United States or in democratic nations around the world. ElectionGuard, developed with the assistance of our partner Galois, will be available starting this summer to election officials and election technology suppliers who can incorporate the technology into voting systems. Among ElectionGuard’s many benefits, it will enable end-to-end verification of elections, open results to third-party organizations for secure validation, and allow individual voters to confirm their votes were correctly counted.

We are also announcing today that we have partnered with major election technology suppliers who are exploring the integration of ElectionGuard into their voting systems. We currently have partnerships with election technology suppliers responsible for more than half of the voting machines sold in the U.S. To help these partners, other vendors and election officials to visualize how ElectionGuard can modernize and secure the vote, we are building a reference voting system, which we will make public later this year, that will showcase the capabilities that ElectionGuard enables.

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Source: Protecting democratic elections through secure, verifiable voting – Microsoft on the Issues