Capitalizing on spying tools believed to have been developed by the U.S.
National Security Agency, the cyber assault launched on Friday has infected tens of thousands of computers in 104 countries, with Britain's health system suffering the worst known disruptions.
...Cyber extortionists tricked victims into opening malicious malware attachments to spam emails that seemed to contain invoices, job offers, security warnings and other legitimate files.
...The ransomware encrypted data on the computers, demanding payments of $300 to $600 to restore access.
According to UK based
that same day:
A MASSIVE cyber attack has targeted
National Health Service> sites across the country with ransomware, plunging them into chaos.
...Some 48 hospitals are understood to have been affected...37 hospitals the NHS has revealed have been attacked directly and those that shut down their systems as a precaution...