With hackers stealing millions of credit and debit card numbers with seeming impunity from Target, Home Depot, and other retailers lately, it might seem as if there’s nothing the average consumer can do to protect themselves.
PALO ALTO, Calif. — In late 2013, an A.T.M. in Kiev started dispensing cash at seemingly random times of day. No one had put in a card or touched a button. Cameras showed that the piles of money had been swept up by customers who appeared lucky to be there at the right moment.