Specifically, the CVV code is a short series of numbers printed on credit or debit cards, usually consisting of 3 or 4 digits. The CVV is used to verify that the person using the card to make the transaction is the legitimate cardholder, and helps prevent fraud in online and telephone transactions.
Location: The CVV code is usually printed on the back of the credit card, on the signature strip. For American Express (AmEx) cards, this security code may be on the front of the card and consists of four digits. Meanwhile, for other credit cards such as Visa, MasterCard, or Discover, the CVV code is usually three digits.
Illustration: Goevo.
Functions of the CVV code:
1. Transaction Verification: When making online or phone transactions, in addition to entering card information such as card number and expiration date, the buyer must also enter the CVV code to complete the transaction. This helps verify that the person using the card is the legitimate cardholder.
2. Fraud Prevention: CVV codes help prevent credit card fraud. If someone only has the credit card number but not the CVV code, they will have difficulty making online transactions.
3. Enhanced security: The CVV code is an extra layer of security that helps protect your credit card information. Even if your card information is stolen, the lack of a CVV code can prevent fraudsters from making online transactions.
How to protect your credit card
1. Do not share the CVV code with anyone or store it in an easily accessible location.
2. Use secure websites: When conducting online transactions, only use secure and reputable websites.
3. Regularly check your credit card account transactions to detect fraudulent transactions early.
4. Use additional authentication methods: Some banks offer additional authentication methods such as OTP (One-Time Password) codes to enhance the security of customer transactions.
Source: https://vtcnews.vn/ma-so-cvv-tren-the-tin-dung-la-gi-ar912727.html
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