Israeli cyber spies hacked into the operations of Islamic State bombmakers and discovered they were developing a laptop bomb to hit commercial air crafts, the New York Times reported Monday. The intelligence operation was how the United States learned that the terrorist group was working to make explosives that fooled airport X-ray machines and other screening by looking exactly like batteries for laptop computers. The operation led to the March ban on carry-on laptops and other electronics devices larger than smartphones on direct flights to the US from many airports in Turkey, the Middle East and North Africa.”]
Source: http://securityaffairs.co/wordpress/60029/hacking/laptop-bomb.html