Mark Patterson, owner of PATCO Construction in Sanford, Maine, said his company lost more than $500,000 to cyberfraud. John Ydstie/NPR hide caption

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President Obama signs the Dodd-Frank financial overhaul bill in Washington on July 21, 2010. Five years later, debate over the effectiveness of the legislation continues. Charles Dharapak/AP hide caption

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Pensioners queue outside a national bank branch in Athens on Thursday. Greek banks are running out of cash and the situation poses further danger to the economy, analysts say. Aris Messinis/AFP/Getty Images hide caption

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Earlier this year, the European Central Bank, headed by Mario Draghi, launched a bond-buying program to drive down interest rates and boost borrowing. Emmanuel Dunand/AFP/Getty Images hide caption

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Richard Cordray, head of the Consumer Financial Protection Bureau, wants payments to catch up with real-time life. Josep M Suria/iStockphoto hide caption

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To protect against fraud, U.S. banks will be issuing credit cards with small computer chips. But some experts say using a PIN to complete a transaction is more secure than a signature. iStockphoto hide caption

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La Roca restaurant in Nogales, Mexico, draws a mix of American tourists and locals. It used to have an American bank account and credit card until the bank closed the account. Jude Joffe-Block/KJZZ hide caption

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Participants in an ethical hacking contest at a Swiss security conference in Geneva in March. So-called bug bounty programs are becoming very popular in Silicon Valley's high-tech sector. Salvatore Di Nolfi/EPA/Landov hide caption

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A money changer sits behind piles of banknotes in Hargeisa in Somaliland, an autonomous, relatively peaceful region in northern Somalia. The self-declared nation of Somaliland, like Somalia itself, lacks a formal banking system, and residents rely on hawaladars to receive money from abroad. Simon Maina/AFP/Getty Images hide caption

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EU Competition Commissioner Joaquin Almunia announces fines against eight large banks, in a scandal over rigging interest rates. Georges Gobet/AFP/Getty Images hide caption

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