12 Chinese Groups Linked to Cyberattacks

As few as 12 different Chinese groups, largely backed or directed by the government there, commit the bulk of the China-based cyberattacks stealing critical data from U.S. companies and government agencies, according to U.S. cybersecurity analysts and experts. The aggressive but stealthy attacks, which have stolen billions of dollars in intellectual property and data, often carry distinct signatures allowing U.S. officials to link them to certain hacker teams.