Even though business planning, bookkeeping & administration are important for business success, the most important aspect of any business is sales & marketing. Operations, administration, strategic planning & bookkeeping are all necessary but irrelevant without the generation of leads & new customers.
Where to Locate your Security Code. Debit card security codes are located on the back of the card. The last three numbers to the right of the card are known as your security code. Why the Security Code is Important. The security code offers the cardholder an extra layer of protection from fraud and unauthorized use.
The card security code (CSC) is usually a 3 - or 4 - digit number, which is not part of the credit card number. The CSC is typically printed on the back of a credit card (usually in the signature field). On some cards, all or part of the card number appears before the CSC, for example, 1234 567.