A coalition of some of the world’s biggest business groups have called on China to revise a new cyber security law and insurance regulations, warning they represent a protectionist threat to growth that would further isolate China from the global digital economy, the Financial Times reports. The move comes amid growing concerns in Washington and other western capitals about both China-backed cyber attacks on foreign businesses and what they see as the increasing barriers being erected by Beijing to one of the world’s largest digital markets. The intervention came in the form of a letter sent this week to Li Keqiang, China’s premier. Their concerns focus on provisions that would force foreign companies to store data in China, assist law enforcement investigations and subject information technology products to security reviews.