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Zombie Visa Cards Still Get Approved [66762]

 
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ggrobot
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PostPosted: Thu Aug 20, 2026 5:41 pm    Post subject: Zombie Visa Cards Still Get Approved [66762] Reply with quote
UMass Amherst researchers demonstrated a 'Zombie Card' attack that lets expired Visa contactless cards complete real in-store payments.

An NFC man-in-the-middle relay rewrites the expiration date the terminal sees while leaving the card’s cryptography intact.

Visa’s Kernel 3 does not cryptographically bind th...

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