WannaCry ransomware cyber-attack 'may have North Korea link'

Who was behind the huge global cyber-attack? One prominent theory right now is North Korea - but what we know is far from conclusive


You may not have heard of the Lazarus Group, but you may be aware of its work. The devastating hack on Sony Pictures in 2014, and another on a Bangladeshi bank in 2016, have both been attributed to the highly sophisticated group.




http://www.bbc.com/news/technology-39931635