Half of American adults had their personal information exposed to hackers last year alone. In a recent attack at the federal Office of Personnel Management, hackers stole the most sensitive personal data for 21.5 million people. Answer the questions below to learn which parts of your identity may have been stolen in some of the major hacking attacks over the last two years and what you can do about it. Not all attacks are included here, and many attacks go undetected, so think of your results as a minimum level of exposure. via How Many Times Has Your Personal Information Been Exposed to Hackers? – The New York Times.