U.S. officials are growing concerned that giant Chinese-made cranes operating at American ports across the country, including at several used by the military, could give Beijing a possible spying tool hiding in plain sight.
Some national-security and Pentagon officials have compared ship-to-shore cranes made by the China-based manufacturer, ZPMC, to a Trojan horse. While comparably well-made and inexpensive, they contain sophisticated sensors that can register and track the provenance and de...