IntroductionThis is the information age. There are financial and business information, research and analysis, trends drove the trend and military intelligence. Information classified as confidential, sensitive and critical. There are information extraction tools and automated tools. There are management solutions, such as content management, knowledge management and document management, management of information collected for. There are several mechanisms for storing information. Finally, information security, there are tools and techniques. In this article we need to discuss three important types of security information, such as security information provided by hackers during transit to ensure that the information and protection of information stored in the system can be lost or stolen. Finally, a brief description of wireless security has been described here. The Internet has become the information superhighway. The evolution of the Internet and related technologies have enabled businesses to communicate in new ways with all types of people and strategic organizations. Over the years, the distinctive features of the Internet connection have increased. As needs change, the more powerful the service offered to humanity, the faster the connections, and what can be done in the need for more flexibility. Initially, the service, like simple POP3-based email and Web access, corresponds to the extension of an Internet connection. Today we have a site-to-site virtual private network (VPN), VPN for customers and home users, media streaming, web-based education, great Internet applications, e-commerce, and business-to-business extranets. Therefore, the development of the Internet to meet the needs of a variety of advanced human societies. On the domestic front, from… middle of paper… programs and operating systems (e.g. Windows, Mac, Linux) updated with the latest program updates. Enable automatic updates to prevent potential attacks on old )Conclusion Focus on what is happening around the world, you need to understand the importance of information security, what is a thing, the need for security requirements and tools and technologies related to safety. To succeed in the highly competitive e-commerce market, businesses must fully understand Internet security threats, overcome their technological advantage, and gain customer trust. For businesses that are serious about an e-commerce solution it means implementing a comprehensive foundation of e-commerce trust. PKI encryption and digital signature technology, Secure Sockets Layer (SSL) digital certificate provides the authentication, data integrity and privacy needed for e-commerce applications.