I've posted before about the problems with the Windows(r) OS and why I use Linux...
For a good, biased overview of the current situation, including the "WannaCry / WannaCrypt" ransom-ware, I recommend reading this article:
http://www.techrepublic.com/article/wannacrypt-makes-an-easy-case-for-linux/I renew my offer to assist any member of NNPG to change from Windows(r) to Linux as your Operating System.
Is Linux perfect? Of course not, but consider the alternatives...