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Krebs: Premera Blue Cross Breach Exposes Financial and Medical Records
Thursday, March 19, 2015 6:30 AM

A major provider of health care services, Premera Blue Cross, has disclosed that an intrusion into its network may have resulted in the breach of financial and medical records of 11 million customers. KrebsOnSecurity reports that although Premera isn't saying so yet, there are indicators that this intrusion is once again the work of state-sponsored espionage groups based in China.

There are indications that this may be the work of the Chinese espionage group tied to the breach disclosed earlier this year at Anthem, an intrusion that affected some 78 million Americans.

In a statement posted on a website set up to share information about the breach, premeraupdate.com, the company said it learned about the attack on January 29, 2015, and that its investigation revealed the initial attack occurred on May 5, 2014.

"This incident affected Premera Blue Cross, Premera Blue Cross Blue Shield of Alaska, and our affiliate brands Vivacity and Connexion Insurance Solutions, Inc," the company said.

Their statement continues:

"Our investigation determined that the attackers may have gained unauthorized access to applicants and members' information, which could include member name, date of birth, email address, address, telephone number, Social Security number, member identification numbers, bank account information, and claims information, including clinical information. This incident also affected members of other Blue Cross Blue Shield plans who sought treatment in Washington or Alaska.

"Individuals who do business with us and provided us with their email address, personal bank account number or social security number are also affected. The investigation has not determined that any such data was removed from our systems. We also have no evidence to date that such data has been used inappropriately."

Premera said it will be notifying affected customers in letters sent out via postal mail, and that it will be offering two years of free credit monitoring services through big-three credit bureau Experian.