A security researcher at the Vulnerability Lab discovered that ATMs at the German savings bank Sparkasse can leak sensitive info during software updates. Sparkasse bank has already pushed out updates that fix the issue to a limited number of ATMs in the city of Kassel. The machines analyzed by the researcher are manufactured by Wincor Nixdorf, one of the most important company of the retail and banking industry. The flawed terminals are running Windows 7 and Windows XP operating systems. It is the first time that a German bank admits the security vulnerability in an ATM and reward the researchers.”]
Source: http://securityaffairs.co/wordpress/41651/hacking/german-atms-flawed.html