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Cybercrime is a worldwide scourge, costing businesses and consumers billions of dollars each year. If you aren't taking measures to protect sensitive data, you're at risk. Many people believe hackers will attack someone else. Guess what? You may be that someone someday. Last year alone, 421 billion data records were stolen. One group going after the thieves is Microsoft's Digital Crimes Unit. We go inside its Cybercrime Center, where the team pursues criminals across the globe. It's a great example of private-sector expertise helping the public. We also offer some tips to help protect your privacy. Linda Byron reports.