On August 18–19, researchers demonstrated that gaps in expiration-date validation systems allow expired credit cards to be used for unauthorized transactions, exposing a widespread payment-processing vulnerability.
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Gaps in expiry checks could let dead plastic make purchases again
Expired credit cards revived by researchers to make unauthorized payments L: https://www. theregister.com/security/2026/ 08/18/expired-credit-cards-revived-by-researchers-to-make-unauthorized-payments/5289229 C: https:// news.ycombinator.com/item?id=4 9364518 posted on 2026.08.19 at 13:28:12 (c=0, p=3)
Expired Credit Cards Revived By Researchers To Make Unauthorized Payments https:// packetstorm.news/news/view/428 37 # news