Correct, they don't know for sure but circumstantial evidence points in that direction. https://qz.com/2007399/the-darkside-hackers-are-state-sanctioned-pirate

Correct, they don't know for sure but circumstantial evidence points in that direction. https://qz.com/2007399/the-darkside-hackers-are-state-sanctioned-pirates/ https://qz.com/2007399/the-darkside-hackers-are-state-sancti...