North Korea’s Rising Ambition Seen in Bid to Breach Global Banks; New York Times, March 25, 2017

Paul Mozur and Choe Sang-Hun, New York Times; North Korea’s Rising Ambition Seen in Bid to Breach Global Banks

"The security firm Symantec said it believed that the hackers behind the Poland attack were also behind two other major breaches: the theft of $81 million from the central bank of Bangladesh and a 2014 attack on Sony Pictures, which rocked the film industry.

“We found multiple links, which gave us reasonable confidence that it’s the same group behind Bangladesh as the Polish attacks,” said Eric Chien, a researcher at Symantec, which studied both attacks."