IT Security can appear daunting to most when starting, the sheer amount of information, product types, threats and techniques used for hacking leaves one wondering where to start. This book aims to shortcut that complexity and offer in one volume everything one needs to know on how to setup a good Cybersecurity architecture and defences so as to prevent breaches and attacks.

Theory is explained, but emphasis is given as to implement this in a practical manner, so that the reader can take these lessons and apply them immediately.

By distilling a complex subject into its essential building blocks, this book makes advanced concepts accessible without sacrificing rigor. It is an invaluable guide for cybersecurity professionals looking to strengthen their foundations and apply these principles in practice, particularly as AI and technologies continue to reshape the security landscape.

                                                                                       Jikyeong Kang, President and Dean, Asian Institute of Management

A practical and comprehensive guide that bridges the gap between cybersecurity theory and real-world implementation. Covering both IT and OT environments, this book equips security professionals and technology leaders with the knowledge needed to build resilient security programs in an increasingly complex threat landscape.

                                                                                                                                           Muthukumar Natarajan, Field CTO,  AMEA, Trend AI

IT security has become notoriously difficult to grasp because everything feels like a high-risk emergency. This book changes that. By dissecting security down to its absolute essentials, it gives readers a comprehensive understanding of modern technology, implementation strategies, and the niche realities of IT/OT convergence. Written by a seasoned CIO who has lived through the trenches of tech evolution.

                                      Engr. Jojo Nufable, ECE, CMC, CCISO, EMBA,  Founding Board Director & Internal VP, Cyber Security Council of the Philippines

Francisco Castillo is Senior Vice President and Chief Information Officer of Maynilad Water Services, inc., the water concessionaire for the West area of Manila’s greater metropolitan area which serves about 10 million people. He was previously connected to a major multinational IT consulting firm as Managing Consultant for Asia-Pacific, where he worked over 12 years in various capacities. This 2013 he was named “Outstanding ASEAN CIO” by the IDG group, again in 2016 in the ASEAN IT Strategy Forum in Singapore, and among the top 10 Southeast Asia and Hong Kong CIOs as judged by the CIO75. He has over 25 years experience in Information Technology, and has undertaken projects in over a dozen countries in Europe and Asia. He holds a Ph.D. in Electronics and Telecommunications Engineering from the Universidad Politécnica de Cataluña (Barcelona, Spain), where he was also Associate Director for the Technical Engineering College, and Associate Professor. He has over 50 published papers in international journals and conferences and is also the co-author of the book entitled "Managing Information Technology", and has presented in over 30 international seminars around the world. He teaches part-time in the Asian Institute of Management (Manila), and is a co-inventor for 2 different patents. He is a certified PMP, PfMP and CISSP.