Tag: point of sale
2 articles
Researchers Expose Zombie Card Attack Reviving Expired Visa Cards
Meet the Zombie Card Attack, a sneaky hack that brings expired Visa cards back to life - literally, allowing researchers to make a $500 purchase with a card that was supposed to be dead. By rewriting the expiration date, University of Massachusetts Amherst researchers showed how easily this loophole can be exploited.
Researchers Expose Vulnerability in Expired Contactless Credit Cards
Expired contactless credit cards can be surprisingly revived, allowing scammers to make unauthorized transactions through a sneaky technique called man-in-the-middle tampering. Researchers have uncovered a vulnerability that lets attackers make expired cards appear valid, putting your financial security at risk.