信用卡安全码 Card security code
（重定向自CVV number）
![威士卡、万事达卡和发现卡的信用卡安全码](/Images/godic/202501/07/CVC2SampleVisa0037.png")
![在运通卡正面的安全码](/Images/godic/202501/07/CIDSampleAmex0037.png")
信用卡安全码（英文：Card Security Code）是信用卡在进行网络交易和电话交易时的一个安全特征。它通常是印刷在信用卡上面的3或4位数字，用于证实付款人在交易时是拥有信用卡的，从而防止信用卡欺诈。
不同的发卡组织的信用卡安全码的名称和印刷位置不同：
CVV number
中文百科
英语百科
Card security code 信用卡安全码
（重定向自CVV number）
![The card security code is located on the back of MasterCard, Visa, Discover, Diners Club, and JCB credit or debit cards and is typically a separate group of 3 digits to the right of the signature strip.](/Images/godic/202501/07/CVC2SampleVisaNew0037.png")
![CVC (im roten Kreis) auf der Rückseite einer Kreditkarte](/Images/godic/202501/07/CVC2SampleVisa0038.png")
A card security code (CSC), (also called card verification data, card verification number, card verification value (CVV), card verification value code, card verification code (CVC), verification code (V-code or V code), card code verification, or signature panel code (SPC)) is a term for a security feature for "card not present" payment card transactions instituted to reduce the incidence of credit card fraud.