FILE - This April 12, 2016 file photo shows the Microsoft logo in Issy-les-Moulineaux, outside Paris, France. The cyberextortion attack hitting dozens of countries was a “perfect storm” of sorts. It combined a known and highly dangerous security hole in Microsoft Windows, tardy users who didn’t apply Microsoft’s March software fix, and a software design that allowed the malware to spread quickly once inside university, business and government networks. (AP Photo/Michel Euler, File)