U.S., allies accuse China of hacking Microsoft and condoning other cyberattacks

The United States, the European Union, NATO and other world powers on Monday accused the Chinese government of a broad array of malicious cyber activities, blaming its Ministry of State Security and hackers allegedly linked to it for a sophisticated attack on Microsoft’s widely used email server software earlier this year.

The condemnations represent the first time NATO, a 30-nation alliance, has denounced alleged Chinese cyberattacks and follow the Biden administration’s pledge in June to rally U.S. allies against Beijing’s behavior. The number of nations involved amounts to the largest condemnation...