(Bloomberg) — Hackers may have breached a database with information on 1.1 million customers of CareFirst BlueCross BlueShield, a health insurer operating in Maryland, Virginia and the District of Columbia.
The breach happened last June, when hackers targeted a database that contained information customers used to log on to CareFirst's website, the not-for-profit health insurer said in a statement Wednesday.
They may have obtained names, birth dates, e-mail addresses and subscriber identification numbers, the insurer said. The database didn't have passwords, Social Security numbers, credit card information or medical records.
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