The sheer number of different voting & elections systems and applications used in USA elections is staggeringly large and diverse; as they are in other countries. The number of people involved in elections is also a significant factor impacting elections security, along with physical access security to the voting equipment, paper ballots, and registration data.
The resulting complexity creates many real voting security issues that must be addressed. Voting machines vendors should embrace help to identify risks, not simply deny risks exist.
In this 4th in a series of voting security sho