Because of the way WannaCry spreads sneakily inside organization networks, a far larger total of ransomed computers sitting behind company firewalls may be hit, possibly numbering upward of a million machines. The company is crunching data to arrive at a firmer estimate it aims to release later Thursday.
Liran Eshel, chief executive of cloud storage provider CTERA Networks, said: “The attack shows how sophisticated ransomware has become, forcing even unaffected organizations to rethink strategies.”