Most businesses have to accept credit cards these days. But accepting them also means you accept the responsibility of taking them and keeping the numbers same. In this day in age with the fear of identity theft on everyone's minds, it is more important than that you are ensuring your customer's credit cards are protected.

The SmallBizTechonology Blog has some good information for all businesses when it comes to credit card transactions. It covers not only if you have your own merchant account but also covers if you're using an online service like pay pal.