Thursday, July 24, 2008

Credit Card Data Compromised from Check In Kiosk

WestJet has stopped allowing customers to check in with their credit cards at the self-service kiosks in 28 Canadian airports, as the federal Transport Minister seeks answers in the wake of an investigation into the security of the kiosks.

Visa started investigating after banks noticed apparent fraud on cards of some people who had flown out of Toronto.

While no one is saying exactly what pattern sparked the probe, Visa purchases are monitored by some of the world's most sophisticated algorithmic tools, called "neural networks," that watch for and flag irregular spending behavior.

An example of a suspicious transaction could be a $1,000 purchase on a card that has never been used for more than $50, or an out-of-country purchase on a card that has only ever been used in one town.

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