An analysis released by Google this month showed that the U.S. defense industrial base—a network of public and private entities used to develop or maintain military weapons systems—has sustained cyberattacks from groups and criminal organizations from China, Russia, and North Korea in recent months.The report, released on Feb. 10 by Google Threat Intelligence, found that the Chinese regime and associated groups continue “to represent by volume the most active threat to entities in the defense industrial base,” which it said can pose “significant risk to the defense and aerospace sector.”Google’s report added that it “has observed more China-nexus cyber espionage...