A card security code (CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card.

银行卡CSC（Card Security Code）可以被称作CVC（Card Verification Code）或者CVV（Card Verification Value）。 这是一种帮助保障持卡人信息安全的系统。 银行卡CSC是银行卡背面印刷的一串数字，是一种用于增强信用卡安全的标识。 通过使用银行卡CSC，持卡人可以在网络和电话订购时进行身份验证。 2. 银行卡CSC的种类. 银行卡CSC种类繁多，根据不同的卡种，CSC的位置和位数也不同。 例如，美国运通卡的CSC码印在卡片正面，一般是四位数字；万事达卡和Visa …

The Card Security Code, also known as the Card Verification Value (CVV), Card Verification Code (CVC), or Card Verification Number (CVN), is a three- or four-digit code printed on payment and credit cards. It is an additional security feature used to verify the legitimacy of a card during card-not-present (CNP) transactions.

2023年4月27日 · A security code is the same thing as a CVV, or card verification value. A CVV, also known as a card security code (CSC) or card identification number (CID), among other names, is a 3-digit or 4-digit number used to help prevent fraud

2022年12月9日 · The card verification value (CVV) or card security code (CSC), is a three-digit code you can find on the back of your debit/credit card.* It provides you with an increased layer of protection against debit/credit card fraud.

2024年2月16日 · CSC和CVV都是三位数的安全码，用于验证持卡人的身份信息。 CSC（Card Security Code）通常用于Visa、MasterCard和Discover等品牌的银行卡，而CVV（Card Verification Value）通常用于American Express（Amex）品牌的银行卡。

2025年3月3日 · CVV and CSC, or card security code, are both terms used interchangeably, but they are one of the primary security features on your card. So how does a CVV work, where do you find it, and how does it help protect your credit card from fraudulent transactions?

2024年3月6日 · 本文将从不同的角度对CVV码和CSC进行比较分析，以帮助读者更好地理解它们之间的区别。 CVV码（Card Verification Value）是信用卡背面的三位数字安全验证码，用于验证持卡人身份，防止信用卡被盗刷；CSC（Card Security Code）则是信用卡背面的三位数字安全码，也是用于验证支付过程中的安全性。 CVV码通常位于信用卡背面的签名栏右上角，是由三位数字组成的；CSC码也在信用卡背面，但位置不固定，有时在磁条旁边。 CVV码主要用于在线支 …

2024年3月6日 · CVV（Card Verification Value）是信用卡上的三位数安全码，用于验证持卡人是否是信用卡的合法持有者。 CVV2是CVV的扩展版本，也是用于验证信用卡持卡人身份的三位数安全码。

The card security code (CSC), also known as the Card Verification Value (CVV) is a 3- or 4-digit number associated with your credit card, printed only on the card and not on statements or charge slips.