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Debit Card CSC code

3 min read
Dec 13, 2025
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The CSC in Debit Card, also known as the Card Security Code (CSC) is an important security feature designed to protect online and remote transactions. It is a three- or four-digit number printed on the back of the Debit Card and helps verify that the person making a transaction has physical possession of the card. Read this blog to learn more about what is CSC code in Debit Card, its features, application process, benefits, and how to use it.

What is a Debit Card CSC code?

Answering ‘What is CSC on Debit Card?' is a code that is a security feature used to authenticate transactions. It is a three-digit number available on the back of Visa, MasterCard, and Discover cards or a four-digit number on the front of American Express cards. It is mainly used for online and phone transactions where the cardholder cannot physically present the card. This added layer of security helps prevent unauthorised use and ensures that only the correct owner of the card can complete transactions. To know more on what is CSC in Debit Card, you can read below.

Features of CSC Debit Card

  • Unique security code: Each Debit Card has a unique CSC code, with advanced security.
  • Important for online transactions: Required for purchases where the card is not physically present.
  • Prevents fraudulent activities: Adds an extra layer of authentication to reduce unauthorised transactions.
  • Does not get stored: Merchants are prohibited from storing the CSC code, making transactions more secure.
  • Works with major card networks: Used by Visa, MasterCard, American Express, and Discover.

Who can apply for a CSC Debit Card?

In India, anyone who holds a bank account with any of the Securities and Exchange Board of India (SEBI)-registered banks offering Debit Cards can apply for a CSC Debit Card. The major eligibility criteria are:

  • Being of legal age as per the bank’s policy.
  • Holding an active Savings or Current Account.
  • Meeting the bank’s verification and documentation requirements.
  • Having a valid identity and address proof.

How to activate the CSC Debit Card?

Step 1: Once your request is approved from the bank, the bank issues the Debit Card with a CSC code.

Step 2: Check the details, including the card number, expiry date, and CSC code for the verification purposes.

Step 3: Use an ATM or banking app to generate a secure PIN.

Step 4: Activate online payments through internet banking or the bank’s mobile app.

Step 5: Make a small online purchase or check with customer support to confirm the activation.

How to use the CSC Debit Card?

  • Online shopping: Enter your card details and the CSC code when making online purchases.
  • Subscription services: Many streaming and service platforms require CSC authentication.
  • Phone payments: Some merchants ask for the CSC code for security verification during phone transactions.
  • Mobile wallet linking: Adding your Debit Card to the payment apps may need the insertion of a CSC code.
  • International payments: The CSC code is often needed for transactions on foreign websites.

Benefits of using a CSC Debit Card

  • Improved security: Protects against fraud and unauthorised transactions.
  • Convenient online shopping: Allows for seamless and secure e-commerce purchases.
  • Prevents merchant data breaches: Since merchants cannot store the CSC code, it reduces the risk of data theft.
  • Accepted worldwide: Works with most online merchants and payment platform providers.
  • Fast and easy transactions: Quick authentication for hassle-free payments.

Conclusion

The Debit Card CSC code is important for secure online transactions, offering assurance to the cardholders while making digital payments. By ensuring that only the rightful owner can use the card for online transactions, the CSC code helps in preventing from fraud. This code improves financial security, making digital transactions both safe and convenient.

FAQs

1. Where can I find the CSC code on my Debit Card?

The CSC code is generally located on the back of the Debit Card near the signature panel. For Visa, MasterCard, and Discover cards, it is a three-digit number. For American Express cards, it is a four-digit number printed on the front of the card.

2. Why is the CSC code required for online transactions?

The CSC code serves as an additional security measure to verify that the cardholder has physical possession of the card. It helps prevent fraud by ensuring that stolen card details alone cannot be used for unauthorised transactions.

3. Can I change my Debit Card's CSC code?

No, the CSC code is a fixed security code assigned to each Debit Card and cannot be changed manually. If your card is lost or compromised, the bank will issue a new card with a different CSC code.

4. Can I use my Debit Card without a CSC code?

Most online merchants require the CSC code for transactions. However, some in-store and contactless payments do not need the CSC code. For security reasons, it is advisable to use the CSC code whenever prompted to prevent fraudulent transactions.

Disclaimer: This article is intended solely for informational purposes. The views expressed in this article are personal. Axis Bank and/or the author shall not be liable for any direct or indirect loss or liability incurred by the reader arising from reliance on the content herein. Readers are advised to consult a qualified financial advisor before making any financial decisions. Axis Bank does not endorse or guarantee the accuracy of any third-party content or links included in this article.

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