someone else has your SSN? One in 7Posted: Friday, December 3 2010 at 06:00 am CT by Bob Sullivan

What are the odds someone else has used your Social Security number? One in 7.

That’s the stunning conclusion of a San Diego company's analysis of 290 million Social Security numbers, which found that 40 million of them have been attached to more than one name. The study, conducted by the fraud-fighting firm ID Analytics, is the first of its kind that’s been made available to the public.

We first wrote about the problem of “SSN-onlyâ€