CDK Global cyberattack impacts thousands of US car dealerships BleepingComputerCDK cyber attack shuts down auto dealerships across the U.S. Here’s what to know. CBS NewsCar dealerships hit with massive computer system outage CNNCDK Global cyberattack shuts down most dealership systems nationwide Automotive NewsCDK Global and their car dealership software: What we know about the ransomware attack AS USA