Don’t Tie Yourself in Knots Thinking you can Store Payment Card Verification Codes/Values
Card Not Present Security Codes/Values are the 3 and 4 digit printed numbers on your payment cards used to verify card-not-present transactions. PCI DSS has been crystal clear for many years that payment Card Verification Codes/Values are Sensitive Authentication Data (SAD) and can't be stored after transaction authorization except by card Issuers. Specifically PCI says: