Salient Features of this book:- • Covers Complete AICTE syllabus of Security of Cyber Physical Systems (IOT-O2) miner change degree course. • The basic of security and various types of security issues are explained • Different cryptography techniques and various security attacks are discussed. • Network security and how they are implemented in real world is demonstrated. • Insight to various issues of web security and biometric authentication provided. • Each chapter is provided with objective questions with answers and review questions. • The full form and explanation of the abbreviations used are given in each chapter.