The evidence isn't just that the hackers were in Turkey, the evidence to quote the article: >According to two British officials and one U.S. official, the acti

The evidence isn't just that the hackers were in Turkey, the evidence to quote the article: >According to two British officials and one U.S. official, the activity bears the hallmarks of a state-backed cyber espionage operation conducted to advance Turkish interests. So the evidence is that it's a state sponsored attack done to pursue Turkish interests. You can choose not to believe it, but that's what western experts are saying.