Communications of the ACM
Security Flaw Detected for 2nd Time in Credit Cards
Researchers at Switzerland's ETH Zurich found a way to bypass security measures and use certain credit and debit cards without a PIN code.
Credit: Adobestock
A method for bypassing security measures to use certain credit and debit cards without a PIN code has been uncovered by researchers at Switzerland's ETH Zurich.
Previously, the researchers had demonstrated that bypassing security was possible using Visa cards, while the new research shows security methods may be bypassed with Mastercard and Maestro cards by exploiting the data exchanged between the card and the card terminal.
The method initially only worked with Visa cards, but the researchers were able to manipulate the payment process so the card terminal performed a Visa transaction and the card itself performed a Mastercard or Maestro transaction.
The researchers informed Mastercard of their findings, after which the company updated the relevant safeguards.
From ETH Zurich (Switzerland)
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Abstracts Copyright © 2021 SmithBucklin, Washington, DC, USA
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