Premera Blue Cross says data breach may affect 11 million customers

As many as 11 million customers may have been affected by a data breach at U.S. health insurance provider Premera Blue Cross, in the second large attack against the health care industry disclosed in the last two months.

The breach, discovered on Jan. 29, may have compromised customer names, birth dates, Social Security numbers, mailing and email addresses, phone numbers and bank account details, as well as claims and clinical information, Premera said on its website.

It hadn’t determined yet if that sensitive information was actually removed from its systems, and it said there’s “no evidence to date that such data has been used inappropriately.” The FBI has been notified, it said.

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