This book is for cybersecurity or general IT professionals or students who are interested in AI technologies and how they can be applied in the cybersecurity context. It is useful both for readers with no knowledge about AI and experienced AI practitioners who can use it as a reference or to fill in the gaps in their skill set. It is good for both theoretically inclined and very practical readers who like hands-on exercises. This book can be used both for readers interested in solving concrete problems in their organization and for professionals who want to give advice, be a thought leader, and organize the introduction of AI as a capability in cybersecurity.