All of this stuff was on the servers of some corporation nobody has ever heard of? Names, home addresses, personal ID numbers, bank accounts, balances, VINs, pl

All of this stuff was on the servers of some corporation nobody has ever heard of? Names, home addresses, personal ID numbers, bank accounts, balances, VINs, plate numbers? This is a nightmare even ignoring the absurd security breach. How many of these databases are out there?