Cyberattack on software company disrupts business at thousands of car dealerships PBS NewsHourCheat sheet: What you need to know about about the great car dealer software hack Yahoo FinanceSoftware company plans to pay tens of millions in ransom to hackers who crippled car dealerships across North America FortuneCDK Global calls cyberattack that crippled its software platform a “ransom event” CBS NewsHow has the CDK Global shutdown affected your car dealership experience? CNN