The Government has accused China of carrying out an internet spying campaign against vital parts of the economy, it has been reported. The head of the MI5 sent a letter to more than 300 senior executives at banks, accountants and legal firms earlier this week warning them of a web-based attack from Chinese state organisations. The letter warns that British firms doing business in China are being targeted by the Chinese army, which is using the internet to steal confidential information to benefit Chinese companies. It is believed to be the first time the Government has directly accused China of...