The IRS inadvertently exposed sensitive information that could impact tens of thousands of American taxpayers. The ultimate prize in identity theft is the Social Security number. Cyber crooks can file fraudulent tax returns and apply for refunds using the exposed Social Security numbers. Identity theft is big business, and businesses should take note of the mistake the IRS made, says IDentity Theft 911 chief. Anyone who believes their identity has been stolen should file a police report, and contact the three major credit bureaus to notify them.”]