* Posts by Gavin Keighren

1 post • joined 5 Jun 2009

Data-sniffing trojans burrow into Eastern European ATMs

Gavin Keighren

@Cameron, Fraser, et al.

Bank main-frames which are responsible for the validation of your PIN use tamper-proof hardware security modules (HSMs) such as the IBM 4758 (http://www-03.ibm.com/security/cryptocards/pcicc/overproduct.shtml) and the keypad on any half-decent ATM will be part of a similar device. Furthermore, the network interconnects between an ATM and the bank's mainframe contain similar devices.

Their aim is to ensure that your PIN number, etc cannot be discovered *even if the host machine is infested with malware*. However, this does not prevent the mag-stripe data from being copied since that info is not considered sensitive. It would therefore seem that the goal of this scam is to clone the mag-stripe of cards and use them in "card not present" frauds.



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