科技进步带来支付方式的变化,移动支付作为最主要的支付方式之一,其安全问题也越来越受到重视。针对移动支付安全问题,介绍了可信第三方和基于第三方的移动支付模式,同时探讨了面临的安全威胁及安全需求。 Advances in science and technology have brought about changes in payment methods. As one of the major payment methods, mobile payment has drawn more and more attention to its security issues. In view of the problem of mobile payment security, this paper introduces the trusted third party and the third party based mobile payment mode, and discusses the security threats and security requirements.