“Whodunit” is essential to solving crimes, but it is even tougher in the cyber world. The ways for perpetrators to cover their tracks or make it look like a breach was committed by someone else are both sophisticated and practically limitless. Even experts who argue that credible attribution is possible dont claim it is easy or quick. The debate on attribution has heated up again in the wake of the hack last fall of Sony Pictures Entertainment, both FBI Director James Comey and Admiral Michael Rogers, director of the NSA.”]
Source: https://www.csoonline.com/article/2881469/whodunit-in-cybercrime-attribution-is-not-easy.html