Arms Fair in Paris on Alert for Cyber Spies

Top arms groups are on high alert to counter cyber spies from stealing their own secrets at a major arms bazaar outside Paris, even as they market new ways to clients on how to repel hackers in the digital battlespace. France is hosting the world's largest arms fair for land forces near Paris airport Charles de Gaulle, attended by up to 50,000 people who make, buy and use advanced weapons.