ຈີນພະຍາຍາມຂະໂມຍເອົາ ຂໍ້ມູນຕ່າງໆຈາກສະຫະລັດ ທາງອິນເຕີແນັດ

A U.S. cyber security company says Chinese hackers, backed by the Beijing government, are trying to steal information -- in a sophisticated campaign of cyber attacks against American businesses and the government. VOA's Carla Babb has more from Washington.