Work has begun to restore systems used by 15,000 auto dealers nationwide, which has been the subject of a cyber hack and ransom demand ... out to CDK Global for comment. CDK cyberattack updates ...

Update: CDK hackers demand millions to end cyberattack crippling auto dealers, Bloomberg reports Car dealers nationwide are dealing with the fallout from a cyberattack this week that's said to ...

Bloomberg News had previously reported that a group of hackers claiming responsibility for a cyberattack on CDK's software systems has demanded millions of dollars in ransom to put an end to the hack.