Instructions: Please read about ransomware on the Internet. Here is a good starting point:
https://nakedsecurity.sophos.com/2013/10/18/cryptolocker-ransomware-see-how-it-works-learn-about-prevention-cleanup-and-recovery/ (Links to an external site.)
Write a summary of this article in the form of a memorandum to upper level management that informs them of the problems, risks and potential forms of mitigation. Note that your audience is not particularly tech-savy, but they are corporate problem solvers looking well into the future.