Florida election law does not allow for manual recounts unless a court orders it, which is what happened in Wellington Village, he added.

McCrea noted that companies such as Dominion have to do a much better job of minimizing the potential for errors. He noted that e-voting companies are under tremendous cost pressures and may not always be able to deliver required security, he said.

"We need to consider whether it is a viable market for private companies or whether in fact it requires a hybrid public-private effort," he said.

Pamela Smith, the president of election watchdog group Verified Voting said the Wellington Village incident also highlights the need for election officials to do better pre-election logic and accuracy tests.

In this case, it's not clear whether such testing would have revealed the issue that resulted in the erroneous reporting, she said. But in many instances, such tests are not done in a robust manner, she said.