[Text is redacted. Purchase the 2017-05 chronology to enjoy May's economic and market history including new all-time highs in the stock market.]
virus encrypts the data on a web site and will not allow you to regain control until a ransom is paid. Telefonica, FedEx and UK hospitals are impacted. Hospitals have to close their doors and turn away patients. The unknown hackers are exploiting a flaw in Windows software. It is a brave new, albeit sick, technological world.