What is the CVC or CVV security code of payment cards and where is it?

The Card Verification Code, CVC or CVV (Card Verification Value), is a security code present on the credit or debit card.

On Visa, MasterCard and other cards, the code consists of three digits located on the back of the card, in the signature area. On American Express (AMEX) cards, the code is generally four digits on the front of the card.

All credit card data entered on the Ciaomanager reservation system is encrypted and securely communicated via secure HTTPS / SSL connections.