China’s top counter-espionage agency has accused the United States of conducting cyberattacks against the country’s national time centre, which it said could have had a severe impact on the orderly functioning of society. In a social media post on Sunday, the Ministry of State Security said the US National Security Agency was behind a number of cyberattacks against China’s National Time Service Centre. The centre – affiliated with the Chinese Academy of Sciences and based in Xian, Shaanxi...