With the wide application of Credit card, its security becomes more and more important.The bilk about Credit card occurs repeatedly and induce enormous expense .

• 随着信用卡的广泛使用，也产生了一系列安全问题，信用卡盗用、伪卡欺诈事件屡屡发生，信用卡犯罪给银行乃至国家带来的损失有据可查。