Car dealership software-as-a-service provider CDK Global was hit by a massive cyberattack, causing the company to shut down its systems and leaving clients unable to operate their business normally. CDK Global provides clients in the auto industry a SaaS platform that handles all aspects of a car dealership's operation, including CRM, financing, payroll, support and service, inventory, and back office operations. The company is used by over 15,000 car dealerships in North America and has thousan...