U.S. Formally Accuses China of Hacking Microsoft

The Biden administration on Monday formally accused the Chinese government of breaching Microsoft email systems used by many of the world’s largest companies, governments and military contractors, as the United States joined a broad group of allies, including all NATO members, to condemn Beijing for cyberattacks around the world.

The United States accused China for the first time of paying criminal groups to conduct large-scale hackings, including ransomware attacks to extort companies for millions of dollars, according to a statement from the White House. Microsoft had pointed to hackers linked to the...