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

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Dashia is the consumer insights editor for CNET. She specializes in data-driven analysis and news at the intersection of tech, personal finance and consumer sentiment. Dashia investigates economic ...

Jaclyn was a CNET Money editor with a fondness for the sweet spot between numbers and words. Overseeing CNET's credit card coverage, she wrote and edited news, reviews and advice. She has experience ...