A Case Study of China Industrial and Commercial Bank's Global Information Consulting Platform

It was the liar who tricked you into making what he called a phone call. When you called to ask, I told you it was about consumption. Then you said no flowers, he said, then tell me the card number and name, and I'll check it for you. In the long run, the security of your card will be difficult to guarantee ... I don't know how to operate it. But the principle is this.