How can I know about the safety of the vending machine payment system

Facing the initiative vending machine in the wide variety of products, if I can not spend money can get a free drink? But about hackers, security hackers small gray directly using the vending machine for the use of payment system error, and code, you can directly get the drinks. While the self-help vending machine suppliers, found a malicious software violated some active vending machine terminal. Offenders use malware violated the company's online payment system, which includes credit card name. Number and expiration information security risks. Companies are clearly not all self-help vending machine have been infringed, part of the machine on the personal information might have been leaked. Payment system is the very important part of the initiative in the vending machine, general customers can choose a credit card, mobile phone and yards, fingerprints scanned, and a variety of payment methods, such as cash, it is then directly collect the user's privacy information, assuming that the system was invaded, can be shown directly or directly privacy information of users. Iot card is not only used for active vending machine, including the now to share all kinds of products, and the major work, such as smart home network, intelligent medical, car and so on a series of intelligent devices, on the Internet of things card carriers, pay attention to the security of the Internet card, security of supply to users of the Internet of things card use is now first, building a more open, inclusive and convenience of the world, to become the league work of Pioneers and leaders.