The recent WannaCry outbreak is still a mystery. We know what (ransomware), and how (a Windows vulnerability on unsupported or unpatched systems); but we don't know who or why. We're not short of theories: Lazarus, North Korea, some other nation-state actor, Chinese or Russian actors -- but none of these has gained general acceptance.
Article Link: http://feedproxy.google.com/~r/Securityweek/~3/GMdVuTl-uko/latest-wannacry-theory-currency-manipulation