Ransomware Negatively Affected the City of Atlanta in Many Ways

Ransomware negatively affected the city of Atlanta in many ways. Which vulnerability was the main cause of the problems?

A) Today's interconnected, interdependent, wirelessly networked business environment
B) Smaller, faster, cheaper computers and storage devices
C) Decreasing skills necessary to be a computer hacker
D) International organized crime taking over cybercrime
E) Lack of management support