In the majority of infections, the mosquitos are the email messages specifically, phish or spam that appear to be a message youd be interested in from someone you trust, but are in fact fraudulent messages sent by hackers. An increasingly endorsed new open standard called email authentication can stop the vast majority of phishing emails in their tracks, and might have prevented the spread of WannaCry. To prevent another attack like this from succeeding, all companies and their employees need to follow a few basic principles.”]