Book excerpt: The network is no more trustworthy if it is not secure. So, this book is taking an integrated approach for network security as well as cybersecurity. It is also presenting diagrams and figures so any reader can easily understand complex algorithm design and its related issues towards modern aspects of networking. This handbook can be used by any teacher and student as a wealth of examples in brief and illustration of it in very elective way to connect the principles of networks and networking protocols with relevant of cybersecurity issues. The book is having 8 chapters with graphcis as well as tables and most attractive part of book is MCQ as well as important topic questions at the end of book. Apart from this book also provides summery of all chapters at the end of the book which is helpful to any individual to know what book enclosed. This book also gives survey topics which can be given to graduate students for research study. It is very interesting study to survey of various attacks and threats of day to day life of cyber access and how to prevent them with security.