Source: https://www.autonews.com/dealers/dealers-lost-102b-cdk-cyberattack-revised-aeg-study-says
"The same day, AutoNation estimated the CDK situation had stripped $1.50 out of its second-quarter earnings per share."
"Allan Liska, a threat analyst at Recorded Future, attributed the CDK cyberattack to the hacking group BlackSuit, according to a Bloomberg June 24 report.
On June 21, about 387 bitcoin worth more than $25 million was sent to an "address assessed by TRM Labs to be controlled by the ransomware group BlackSuit," according to a statement from blockchain intelligence firm TRM Labs."