Ed Amoroso is one of the most recognized names in the cybersecurity community. He is highly regarded for his ability to ensure systems work while mitigating the threat of unauthorized activity, which is what cybersecurity is all about.
This book aims to be understandable for the general public and for the cybersecurity professional both, and it absolutely hits the mark. It explains concepts clearly and will leave you will a much better understanding of the cyber threat and the steps you need to build your defenses.
For more and to order see: From CIA to APT: An Introduction to Cyber Security