“WannaCrypt” or “WannaCry” is the latest ransomware variant responsible for shutting down countless organizations, including critical infrastructures and manufacturing sites as large as Renault and Nissan. The cybersecurity advice most probably followed by all these sites was to use firewalls to keep their networks “safe” and to always install the latest security updates. It has been exactly two months since Microsoft issued the MS17-010 fix for the “EternalBlue” vulnerabilities that WannaCrypt exploits, and frankly that’s not enough time for every device in every site, factory and hospital to verify the patch, test, approve the changes and update all of their