Excellus BlueCross BlueShield (BCBS) discovered that the hackers targeted their IT systems back in December 2013, initiating a sophisticated attack to gain access to their systems and record client’s personal data. The company has hired Mandiant Incident Response Team of FireEye Inc to help investigate the matter and to bring its systems back to normal by providing adequate remediation solutions. The Compromised Data includes: Social Security Number (SSN) date of birth, date of mailing address, phone number and financial account information.
Source: https://thehackernews.com/2015/09/health-insurance-hacking.html