Unify Your Cyber Defense, Hunt Smarter and Respond Faster with Microsoft XDR! Book Description Extended Detection and Response (XDR) is essential for unifying security signals, accelerating investigations, and stopping attacks, before they spread. This book, Ultimate Microsoft XDR for Full Spectrum Cyber Defence shows you how to harness Microsoft’s powerful XDR stack to protect identities, endpoints, cloud workloads, and collaboration platforms. You will progress from mastering the core Defender products and Entra ID security features to unlocking Microsoft Sentinel’s SIEM and SOAR capabilities. Along the way, you will also build high-fidelity detections with KQL, automate responses with playbooks, and apply Zero Trust principles to secure modern, hybrid environments. Each chapter combines real-world scenarios with step-by-step guidance, so that you can confidently operationalize Microsoft XDR in your own organization. Hence, whether you are a security analyst, architect, SOC leader, or MSSP team, this guide equips you to design, deploy, and scale a unified detection and response strategy—reducing complexity, improving visibility, and neutralizing threats at machine speed. Thus, build a security operation that is proactive, resilient, and Microsoft-native. Table of Contents Understanding Microsoft XDR2. Defender for Endpoint3. Defender for Identity4. Defender for Cloud Apps5. Defender for Office6. Entra ID Security7. Introduction to Microsoft Sentinel8. Microsoft Sentinel SIEM Capabilities9. Microsoft Sentinel SOAR Capabilities10. Efficient KQL Query Design and Optimization11. Hands-On Lab Setup12. Building and Operating a Mature Unified XDR Strategy Index