SAN FRANCISCO — The same Chinese hackers who breached the records of at least four million government workers through the Office of Personnel Management appear to have been responsible for similar thefts of personal data at two major health care firms, Anthem and Premera, according to cybersecurity experts.
http://www.nytimes.com/2015/06/06/us/chinese-hackers-may-be-behind-anthem-premera-attacks.html?_r=1