Discover how credit card validation codes work and protect against fraud. Learn about their placement, security role, and examples to secure online transactions.

Credit card security codes are three-digit codes on the back of your card (four-digits on the front if you have an American Express card) used to verify that have the physical card. You typically ...

The American Express® Gold Card offers four points per dollar spent at supermarkets on up to $25,000 per year; four points at restaurants on up to $50,000 per year; as well as three points per dollar ...