The systems of the Oracle MICROS payment terminals division have been infected by a malware, systems worldwide are potentially at risk. The company sent a memo to its customers urging the password reset for current and ex-MICROS accounts. The attackers infected the troubleshooting portal to steal customers login credentials, then use the usernames and passwords to access their accounts and gain control of their payment terminals. The hackers have compromised a customer support portal for companies using Oracles MICRos point-of-sale credit card payment systems.”]
Source: http://securityaffairs.co/wordpress/50131/cyber-crime/oracle-micros-payment-hack.html