Is your money safe from hackers?

MIAMI, FL - DECEMBER 19: A customer prepares to sign a credit card slip at a Target store on December 19, 2013 in Miami, Florida. Target announced that about 40 million credit and debit card accounts of customers who made purchases by swiping their cards at terminals in its U.S. stores between November 27 and December 15 may have been stolen. (Photo by Joe Raedle/Getty Images)
MIAMI, FL - DECEMBER 19: A customer prepares to sign a credit card slip at a Target store on December 19, 2013 in Miami, Florida. Target announced that about 40 million credit and debit card accounts of customers who made purchases by swiping their cards at terminals in its U.S. stores between November 27 and December 15 may have been stolen. (Photo by Joe Raedle/Getty Images)

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    Is your money safe from hackers?

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In the wake of recent credit card breaches, CNN's Richard Quest explores the threats of the non-cash economy.