Verified by Visa is a unique service that uses personal passwords or identity information to help protect Visa card numbers against unauthorized use. Once activated your Visa card number cannot be used for online purchases without your personal password.
Why should I sign up for Verified by Visa?
Verified by Visa provides an extra level of protection for online shopping. Visa always protects its cardholders against unauthorized use, but Verified by Visa helps to prevent unauthorized use online before it can happen.