Security/E-Commerce To accomplish e-commerce participation, security is key. By providing high levels of security, you create affordability and simplicity to Internet-based e-commerce. Real-time credit card authorization, managed network access services, and commercial transaction protection all must be part of your service offering. With our Net On The Go Set Top Box smart card, an embedded computer chip serves as the authenticating link between the box and the ISP. smart card (smärt kärd) n. A plastic card resembling a credit card that contains a computer chip, which enables the holder to perform various operations, such as mathematical calculations, paying of bills, and the purchasing of goods and services. By providing a highly secure messaging environment, we provide a complete framework.