The cyber world is an ever-changing world and cyber security is most important and touches the lives of everyone on the cyber world including researchers, students, businesses, academia, and novice user. The chapter suggests a body of knowledge that incorporates the view of academia as well as practitioners. This research attempts to put basic step and a framework for cyber security body of knowledge and to allow practitioners and academicians to face the problem of lack of standardization. Furthermore, the chapter attempts to bridge the gap between the different audiences. The gap is so broad that the term of cyber security is not agreed upon even in spelling. The suggested body of knowledge may not be perfect, yet it is a step forward.