Part 1 Building the foundation

Chapters 1–4 lay the groundwork for a data-driven approach to cyber­security. In these early chapters, you’ll explore the basics of measuring security, discover how to launch a metrics program that aligns with business goals, and learn how to tell a compelling story using data. Whether you’re a seasoned security veteran or new to this field, establishing the right mindset and methodology is essential before you dive deeper into everyday metrics. By the end of part 1, you’ll have a solid framework for why metrics matter, how they fit into your organization’s strategy, and what tools you’ll need to begin collecting them effectively.