Foundations of Security Management: Core Concepts and Best Practices is a comprehensive, forward-looking textbook that redefines how security professionals understand, design, and implement protection strategies in a rapidly changing world. Authored by Michelle L. Chace, MSSM, a seasoned security consultant and educator, this book blends academic insights with decades of real-world experience across high-profile government, commercial, and critical infrastructure sectors. Through structured, chapter-by-chapter progression, readers explore the full spectrum of modern security management from terrorism, home-land security, and risk assessment to cybersecurity, crisis management, and artificial intelligence integration. Each chapter integrates case studies, current standards (the Department of Homeland Security, the National Institute of Standards and Technology, the International Organization for Standardization, National Fire Protection Association (NFPA), and ASIS International, and practical tools to bridge the gap between theory and application. Designed for students, practitioners, and industry leaders, this text provides both foundational knowledge and advanced strategies for man-aging today's complex threat environment. It emphasizes ethical leadership, resilience planning, and systems thinking, empowering readers to protect assets, people, and operations while shaping the future of the security profession with competence, integrity, and innovation.