Harri Hursti – one of the world’s foremost election security experts and star of the HBO documentary “Kill Chain: the Cyber War on America’s Elections,”– explained that all these devices are programmed how to organize and communicate the data to a central database.
“The memory cards actually have a programming side,” he said. “Programming can have a lot of logic. So the program can dynamically look [at] what is happening and decide on the spot what is needed to be done in this precinct on this machine” as part of changing the overall result.
Trust – but verify.