"The connection was made by Google security researcher Neel Mehta, who pointed out similarities between WannaCry and malware used by Lazarus, the group that has been blamed for the Sony Pictures hack of 2014 and for stealing millions of dollars from a Bangladeshi bank in 2016.
"After Mehta highlighted the elements in the code, other researchers confirmed similarities that early versions of WannaCry — also called WannaCrypt, Wana Decryptor or WCry — shared with malware tools used by Lazarus."
Read more: http://www.npr.org/sections/thetwo-way/2017/05/16/528587064/north-korea-may-be-linked-to-wannacry-ransomware-researchers-say
When the hell is Trump going to squash this bug? Again, drop one of those mother of all bombs on Pyongyang. If they attempt to retaliate, destroy them, and unite the Koreas again. I'll bet the majority of North Koreans will be shocked to learn the truth.
Take this clown off of the world stage.