CSC in card stands for Card Security Code. It's a crucial security feature, often referred to by other names such as Card Verification Value (CVV), Card Verification Value 2 (CVV2), or Card Identification Number (CID).
Understanding the Card Security Code
The Card Security Code (CSC) is a typically a three- or four-digit number printed, not embossed, on your credit or debit card. It's designed to protect you from fraud when you make purchases online or over the phone, providing an extra layer of security when the physical card isn't present.
Location and Purpose of the CSC
- Visa, MasterCard, and Discover: Usually located on the back of the card in the signature area. It is typically a 3-digit number.
- American Express: Typically located on the front of the card, usually to the right. It is usually a 4-digit number.
The purpose of the CSC is to verify that you are in physical possession of the card at the time of the transaction. Since the code is not stored on the magnetic stripe or chip, it's less likely to be stolen by skimming devices.
Why is the CSC Important?
- Reduces Fraud: It helps prevent fraudulent transactions when the physical card is not presented.
- Increases Security: Adds an extra layer of authentication for online and phone purchases.
- Protects Cardholders: Provides peace of mind by minimizing the risk of unauthorized use.
Common Names for CSC:
Here's a table summarizing the different names for the Card Security Code:
| Abbreviation | Full Name | Card Type(s) | Location | Digits |
|---|---|---|---|---|
| CSC | Card Security Code | Visa, MasterCard, Amex, Discover | Back or Front | 3 or 4 |
| CVV | Card Verification Value | Visa, MasterCard | Back | 3 |
| CVV2 | Card Verification Value 2 | Visa, MasterCard | Back | 3 |
| CID | Card Identification Number | American Express | Front | 4 |
| CVC | Card Verification Code | MasterCard | Back | 3 |
| CVC2 | Card Verification Code 2 | MasterCard | Back | 3 |
Always protect your CSC and avoid sharing it with untrusted sources. Treat it like your PIN.
