# Cybersecurity and Cyberwar > Companion site for "Cybersecurity and Cyberwar: What Everyone Needs to Know" by P.W. Singer and Allan Friedman, published by Oxford University Press — an accessible primer on cyber threats, cyber conflict, and digital security policy. The book is written in an FAQ format and is structured around three sections: how cyberspace works, why cybersecurity matters, and what individuals, companies, and governments can do about it. It has appeared on the professional reading lists of the US Army, US Navy, and US Air Force. ## Pages - [About the Book](/about-the-book): Overview, description, and full table of contents. - [About the Authors](/about-the-authors): Biographies of P.W. Singer (New America, Arizona State University) and Allan Friedman (George Washington University). - [Reviews](/reviews): Press coverage and endorsements from CNN, The Atlantic, Scientific American, Walter Isaacson, Eric Schmidt, Admiral James Stavridis, and others. - [Buy the Book](/buy-the-book): Purchase links — Amazon, Barnes & Noble, Audible. - [Discussion Questions](/discussion-questions): Questions and exercises for book clubs and classroom use. - [Song Playlist](/song-playlist): A companion music playlist with thematic lyrics.