CC Security Code是什么意思?

Security Code:安全代码

Credit Card Security Code。信用卡安全号。但不是小字写在信用卡最后四位的旁边，而是在信用卡背面签名栏附近的4个或者3个数字。

Security Code
security code[简明英汉词典]
机密码,安全码

Credit Card Security Code。信用卡安全号。小字写在信用卡背后最后四位的旁边

Security Code 安全代码 , last three(or four) digits on the card

CC security code = Credit Card Security Code
Last 4 digital number on the back of your Credit Card