By TARA PERKINS AND BRENT JANG
With a report from Jamie Komarnicki
July 24, 2008
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 behaviour.
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