This document provides an overview of mobile commerce (m-commerce). It discusses m-commerce from the perspectives of customers and providers, outlines the main advantages and disadvantages, and describes common m-commerce applications like financial services, entertainment, and shopping. It also examines the mobile commerce framework, including applications, user infrastructure, wireless middleware, and network infrastructure. Finally, it covers security in mobile applications and divides security threats into attack goals, vectors, and mobile malware. The document concludes that security is essential for the future of m-commerce.