Tech 2017: BBC News Online's biggest technology stories
Marcus Hutchins
The one upside was that  a British cyber-security researcher  Marcus Hutchins   managed to trigger a "kill switch"  halting the attack prematurely. More on  him  in a bit...
 August: From hero to hounded
Marcus Hutchins  never wanted to be exposed as the "Wannacry hack hero" and  his  name only became public after British newspapers revealed  him  to be cyber-security blogger Malware Tech against  his  will.
The US accused  him  of having developed banking malware several years ago and of selling it on dark web forums - charges Mr Hutchins denies.
The one upside was that   [TGT] managed to trigger a "kill switch"  halting the attack prematurely. More on   [TGT]   in a bit...
 August: From hero to hounded
Marcus Hutchins  never wanted to be exposed as the "Wannacry hack hero" and  his  name only became public after British newspapers revealed  him  to be cyber-security blogger Malware Tech against  his  will.
The US accused  him  of having developed banking malware several years ago and of selling it on dark web forums - charges Mr Hutchins denies.