Disruptions at Many Car Dealerships Continue as CDK Hack Worsens SecurityWeekCDK cyberattack shuts down auto dealerships across the U.S. Here’s what to know. CBS NewsCar Dealers Scramble, With Software Outage Expected to Last Several Days The Wall Street JournalCDK’s cyber outage hits U.S. auto dealers for second day in a row CNBCCDK outage: Car dealerships’ software shut down after cyber attack USA TODAY