Now in its second edition, the book discusses all the updated topics related to the Internet. Beginning with an overview of the Internet, the book sails through the evolution and growth of the Internet, its working, hardware and software requirements, protocols used, e-mail techniques, various Internet security threats and the methods of using and configuring different security solutions, file transfer methods and several other Internet services with all the details illustrated through live screenshots. Presented in a simple yet engaging style and cogent language, this book will be useful for any course introducing students to the Internet or where the Internet is a part of the curriculum. It will also immensely benefit all those who are interested in developing the necessary skills to use the Internet.