Here's a fun one…ElectionWare apparently has a default admin password in currently deployed version.

Audit (Done in TX):

https://www.sos.state.tx.us/elections/forms/sysexam/tom-watson-ess-6040.pdf

Versions deployed across AZ:

https://azsos.gov/sites/default/files/2020_0709_Election_Cycle_Voting_Equipment.pdf