Great book by Richard Stiennon on Surving Cyberwar.
Stiennon walks the reader through the early days of cyberwar in 2004 when our adversaries were just beginning to hack and steal sensitive information from US and our allied countries. He goes into detail on different methods foreign entities and criminal gangs use to attack, infiltrate and steal data. The author provides detailed cyber preparedness measures to protect networks and data.
Although this book was first published in 2010, it is still an effective guide for government and corporate leaders to reference to protect people, assets, and systems.