Today, companies find themselves targeted by sophisticated nation state cyber attackers armed with the resources to craft scarily effective campaigns. This book is a detailed guide to understanding the major players, the techniques they use, and the process of analysing their advanced attacks. Whether you're an individual researcher or part of a team within a Security Operations Center (SoC), you'll learn to approach, track, and attribute attacks to these advanced actors. Jon DiMaggio demonstrates some of the techniques he has employed to uncover crucial information about the 2021 Colonial Pipeline attacks, among others.