Many private companies along with some of the largest governments in the world have stated that the North Korean hacking group is to blame for these attacks, and it seems more than likely. (coinstocks.com)
The firm said it has found no discussion of it on online crime forums, which suggests that a single professional - level hacking group is behind the scam. (fortune.com)
Any adept social engineer would have easily seen this from the wording in the first manifesto published by the alleged hacking group. (ibtimes.co.uk)