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.
Save. The CVV number is the card verification value or security code on a debit card. Major debit card issuers, including Visa, Discover and MasterCard, use three-digit CVV numbers, while American Express uses four digits on its prepaid debit cards. The card companies use different names for these security codes.