Proof that your card is in the right hands
The 3-digit security code shown on the back of your Visa card lets merchants know that you're physically holding the card when you make a purchase online or over the phone. It's yet another layer of protection Visa implements to prevent fraud before it happens.
How it works1.
Shop online or by phone The three-digit code authenticates your identity. Details 2.
Provide your 3-digit security code This assures the merchant that you have your card in hand. Details 3.
Card issuer validates your code The code is validated automatically during authorization. Merchants are not allowed to save codes. Details
Shop online or by phone Shopping online or by phone – where a merchant can't verify your identity in person – always involves an element of risk. The 3-digit security code on your Visa card assures both merchants and consumers that the card is in the hands of an authorized user. If someone obtains your account number, he or …