For those looking for close coverage of this issue, "GuyDealership" is a good source.
https://x.com/GuyDealership https://www.dealershipguy.com
*not affiliated
https://x.com/GuyDealership https://www.dealershipguy.com
*not affiliated
When you talk security to most dealerships, it's about protecting the assets that are on their floor plan -- the vehicles -- not necessarily anything else. Most places have tried to take steps that prevent their sales folks from walking out with their customer book, but, that's the extent of most of their information security needs.
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All that being said, I will call him out on Twitter for some of the things he says that are quite ridiculous. He's a sales guy after all.