Zombie Card rewrites Visa NFC expiry data in transit, reviving expired cards at one tested U.S. bank without breaking card cryptography.

Zombie Card rewrites Visa NFC expiry data in transit, reviving expired cards at one tested U.S. bank without breaking card cryptography.

Being unable to use a credit card to pay for your groceries is annoying enough. It's worse when a "zombie" card claws its way back to life...