There is interesting news about this coming from Business of Federal Technology by Derek B. Johnson. Take a look:

Lawmakers and policy experts are demonstrating increased interest in open source technology as a means to solving longstanding challenges and road blocks around election security.

State and local governments rely on proprietary software and hardware from a small handful of private vendors to power their voting machines, voter registration systems and other technologies. Those vendors have historically been reluctant or unwilling to allow third-party audits of their products, and when outside researchers have gotten their hands on voting machines or probed commonly used software like voter registration systems, they’ve found extensive and worrying cybersecurity vulnerabilities in nearly every model.

See full story here.