U.S. states probe massive data breach at health insurer Anthem

By Karen Freifeld NEW YORK (Reuters) - Several U.S. states are investigating a massive cyberattack on No. 2 U.S. health insurer Anthem Inc that a person familiar with the matter said is being examined for possible ties to China. California's Department of Insurance said it will review Anthem's response to the data attack. Connecticut Attorney General George Jepsen asked Anthem Chief Executive Joseph Swedish to provide by March 4 detailed information about the cyberattack, the company&#