Chinese government hackers have stolen a massive trove of sensitive information from a US Navy contractor, including secret plans to develop a new type of submarine-launched anti-ship missile, the Washington Post reported Friday. Investigators told the newspaper that breaches were executed in January and February by a division of the Chinese Ministry of State Security, operating out of the Chinese province of Guangdong. The contractor, which was not named in the report, works for the Naval Undersea Warfare Center, based in Newport, Rhode Island. It conducts research and development for submarines and underwater weapons systems. According to the Post, hackers...