That 3-digit number is your Card Security Code. If your CSC number has been scratched off or is not visible you will need to contact your credit card company or bank for additional information. How to ...

If you’re one of the 15.9 million customers with the Commonwealth Bank, you should be careful of any ... to “verify their identity” by supplying their card number, expiry date and security code. If ...

Commonwealth Bank (CBA) and Westpac could soon jump ... dynamic CVV that changes every 12 hours, which is the code on the back of your card. "Customers can find their unique three-digit code ...

including one time security codes that can allow the scammer to link the customer card to a digital wallet. In response, Commonwealth Bank encourages customers to check who has access to their ...