Tagged as Cards

Security Stop-Press : Expired Visa Cards Can Be Revived For Contactless Payments

Published 25 August 2026

Researchers at the University of Massachusetts Amherst have shown how some expired Visa cards could be manipulated to make contactless payments after they should have stopped working. The “Zombie Card” attack uses NFC relays to alter the expiry date seen by a payment terminal without breaking the card’s encryption. Researchers demonstrated payments […]

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