> Zombie Card Attack Can Revive Expired Visa Cards for Contactless Payments
[DATE: 20/08/2026 12:01]
[LANGUAGE: EN]
Researchers at the University of Massachusetts Amherst have demonstrated an attack that revives expired Visa contactless credit cards for real in-store purchases by rewriting the expiration date a point-of-sale (POS) terminal reads over near-field communication (NFC), without breaking any of the card's cryptography.
The attack, which the researchers named "Zombie Card," requires physical