The growing number of bank account thefts involving stolen or forged bank cards is forcing financial institutions to adopt costly biometric technology to verify that only bona fide customers are using automated teller machines.
But bank groups are adopting differing technology to protect their accounts, posing a problem of incompatibility on an industrywide basis, despite the overall effectiveness of each system, experts and industry insiders say.
ATM biometric systems can, for example, scan a particular physical trait, such as a palm's vein pattern, to allow access to an account.