In today's fast-paced digital world, Cybersecurity is no longer just the responsibility of IT teams; it's a crucial consideration for product managers, analysts, UX designers, and business leaders. This book provides a practical, non-technical guide to understanding Cybersecurity, embedding security into workflows, and making informed decisions that protect users, data, and organisations. This handbook breaks down complex security concepts into easy-to-apply principles through a mix of theory, real-world case studies, frameworks, and actionable strategies. It covers key areas like: Developing a Security-First Mindset - Overcoming security roadblocks and fostering a culture of security awareness. Cybersecurity Fundamentals - Understanding risks, authentication, encryption, and common cyber threats. The Intersection of Cybersecurity & UX - Designing for security without sacrificing usability. Governance & Compliance - Navigating industry regulations like GDPR, HIPAA, and NIST. Vendor & Risk Management - Best practices for collaborating with engineers, vendors, and stakeholders. Business Continuity & Incident Response - Preparing for and responding to cyber incidents. Whether you're leading a product team, analyzing business risks, or simply looking to build cybersecurity awareness, this book gives you the essential tools to integrate security into your work without the technical overwhelm.