Zombie Card Attack Revives Expired Visa Cards for Real Purchases
Expired credit cards may not be as useless as they appear. Researchers at the University of Massachusetts Amherst have uncovered a major security flaw that lets criminals use expired Visa contactless cards to make unauthorized purchases in stores. The researchers, presenting their findings at the 35th USENIX Security Symposium, call this the “Zombie Card” attack. The method is alarmingly simple:…

