The car sales industry in North America ground to a halt in mid-June after sophisticated cybercriminals took down CDK Global, the software provider with a near-monopoly on the industry. It caused chaos in the middle of one of the biggest seasons for car-buying. Dealers couldn’t access their inventory. Buyers couldn’t get cars off the lot. And customers feared for their personal data.

On today’s Big Take podcast, Bloomberg senior technology editor Dana Wollman and host Sarah Holder discuss what getting back to normal for dealerships might look like, how the group of hackers behind the shutdown operate, and why industries that rely on centralized software systems — from education to healthcare — are vulnerable.  

Read more: BlackSuit Cybercrime Gang Blamed in CDK Hack That Roiled Car Dealers