THE NATIONAL SECURITY AGENCY GOT wind of the attack almost immediately. A massive cyber hack was underway last month into Microsoft’s Exchange email server, and within hours the NSA had determined where the assault had originated: the People’s Republic of China. The PRC had over the years repeatedly forsworn any intention to hack into U.S. corporate computer systems and steal intellectual property. President Xi Jinping, in fact, had given Barack Obama his word, in September 2015, that China would not engage in commercial cyber espionage.
That had been a lie, and now the Biden White House was fed up. While refraining, for the moment, to impose new sanctions against Beijing, it immediately contacted key allies, led by Japan, and asked them to join Washington in issuing a formal joint complaint…