American officials blamed Beijing for the breach, the latest escalation in a cyberwar between the United States and China.
The Fallout From a Global Cyberattack: ‘A Battle We’re Fighting Every Day’ May 15,2017
Hacking of Government Computers Exposed 21.5 Million People July 9,2015
Attack Gave Chinese Hackers Privileged Access to U. S. Systems June 20,2015
