Zombie Card Attack Can Revive Expired Visa Cards for Contactless Payments

Zombie Card Attack Can Revive Expired Visa Cards for Contactless Payments

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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

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