WRAPUP 1-Major cyber attack hits companies, hospitals, schools worldwide
May 13, 2017 at 02:14 AM EDT
LONDON/MADRID, May 13 (Reuters) - A global cyber attack leveraging hacking tools believed to have been developed by the U.S. National Security Agency has infected tens of thousands of computers in nearly 100 countries, disrupting Britain's health system and global shipper FedEx.