When it comes to the Dominion software system that was on the ballot-counting machines, it seems that there was another issue with the security of the machines.
These are basically just big computers that count and tabulate the ballots that are fed into it and like computers, are subject to bugs, glitches, viruses, and hackers.
According to one of the complaints in the lawsuit against Pennsylvania, there were people with USB drives that were allowed into a secured area with unsupervised access to the machines.
“Also in Delaware County, an observer in the county office where mail-in ballots were counted witnessed a delivery on November 5, 2020, of v-cards or USB drives in a plastic bag with no seal and no accompanying paper ballots. The v-cards or USB drives were taken to the back counting room, where observer access was limited. There was no opportunity to observe what happened to the v-cards or USB drives in the back counting