Technicians are pictured as they work on the simulator control panel during an exercise on nuclear security at the Civaux Nuclear Power plant, 34 kms southeast of Poitiers, western France, on September 22, 2015Operators of nuclear power plants worldwide are “struggling” to adapt to the increasing and potentially dangerous threat of cyber attacks, a report warned Monday. The nuclear industry “is beginning -– but struggling -– to come to grips with this new, insidious threat,” the Chatham House think-tank in London said in a study based on 18 months of investigation. In addition there is a “pervading myth” that nuclear power plants are protected because they are “air gapped” — in other words not connected to the Internet.