“Though ransomware has been around for years, it poses an ever-increasing threat to hospitals, municipal governments, and basically any institution that can’t tolerate downtime.”
Old Windows PCs can stop WannaCry ransomware with new Microsoft patch
“Users of old Windows systems can now download a patch to protect them from this week’s massive ransomware attack. In a rare step, Microsoft published a patch for Windows XP, Windows Server 2003 and Windows 8 — all of them operating systems for which it no longer provides mainstream support.”