https://www.computerworld.com/s/article/9229678/Payment_terminal_flaws_shown_at_Black_Hat
Payment terminal flaws shown at Black Hat
Vulnerabilities found in three popular payment terminal models can result in credit card data theft, researchers say
Three widely deployed payment terminals have vulnerabilities that could allow attackers to steal credit card data and PIN numbers, according to a pair of security researchers from penetration testing firm MWR InfoSecurity in the U.K
http://www.eweek.com/c/a/Security/Black-Hat-Credit-Card-Payment-Terminals-at-Risk-697917/
at the Black Hat conference, a security researcher and the hacker known as Nils showed how they can use a maliciously created credit card to steal money.