This chapter explores the evolving landscape of cybersecurity, emphasizing the critical role organizations play in safeguarding their digital assets. It delves into the foundational principles of the CIA triad and the importance of risk management, while examining various defensive technologies and best practices for securing networks and data. The significance of organizational culture, employee training, and public–private collaboration is discussed as key elements in enhancing cybersecurity efforts. Looking to the future, the chapter addresses the increasing sophistication of cyber threats, the transformative potential of AI and machine learning, and the imperative for continuous adaptation and learning. In conclusion, the chapter underscores the ongoing need for vigilance and innovation in cybersecurity, stressing that a proactive and collaborative approach is essential for organizations to effectively protect their critical assets and maintain trust in an increasingly digital landscape.