captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening. this is our western edition. private information about millions of americans is in the hands of cyber thieves tonight. they broke into a database at this country's second largest health insurer. it's called anthem, and it runs blue cross blue shield plans in more than a dozen states. the company says that database contains 80 million records, including names, birth dates and social security numbers. a gold mine for identity thieves and con artists. it is not known if the hackers got health records. kris van cleave begins our coverage. >> reporter: anthem was one of thousands of health care companies warned twice last year by the f.b.i. that their industry was particularly vulnerable to hackers. in 2014, there were 42 cyber attacks targeting health