Zombie Card Attack Revives Expired Visa Cards for Contactless Payments
Researchers at the University of Massachusetts Amherst have demonstrated a novel attack, dubbed "Zombie Card," that can revive expired Visa contactless credit…
Tag: Mastercard
Mastercard Kernel 2 Resists Zombie Card Attack
Mastercard's EMV contactless kernel (Kernel 2) includes a consistency check between the two expiry representations, causing a mismatch to be treated as…