Take AliExpress for instance, they have my credit card stored. But even if I login and try to buy something, they still ask for the security code on the back of

Take AliExpress for instance, they have my credit card stored. But even if I login and try to buy something, they still ask for the security code on the back of my card. How come Netflix would allow anyone other than me use my credit card to subscribe (or renew the subscription) without even asking that? My father don't have access to my card, neither other members of my family. If Netflix was being honest they would ask at least that. The security code of your card to prove it is the card holder making a purchase.