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.
Locking SIM card with PIN code. For security, you can require a PIN code in order to use your SIM card in any device. This PIN code follows the SIM card from one device to another. Learn how to lock your SIM card.