Apparent National Security Agency (NSA) malware has been used in a
global cyber-attack, including on British hospitals, in what
whistleblower Edward Snowden described as the repercussion of the NSA’s
reckless decision to build the tools.
A screenshot of the warning screen from a purported ransomware attack,
as captured by a computer user in Taiwan, is seen on laptop in Beijing,
Saturday, May 13, 201. (AP/Mark Schiefelbein)