In today's rapidly evolving digital landscape, safeguarding sensitive information extends to securing cloud-based assets. This comprehensive guide navigates readers through the intricate realm of enterprise information security, focusing on risk assessment methodologies and robust cloud security management. The book begins with foundational concepts of risk assessment techniques and explores renowned methodologies like ISO 27001, OCTAVE, and FAIR. It offers practical strategies for implementing these methodologies effectively. It details project activities involved in risk assessment; the book emphasizes aligning cybersecurity efforts with organizational objectives. It provides actionable insights into risk-based vulnerability management and dedicated sections on performing cloud security risk assessments. Moreover, it emphasizes the significance of organizational governance in information security risk management, offering a comprehensive overview of program development and ISO 27001 compliance tailored to cloud security concerns. Readers gain a comprehensive understanding of building effective information security programs aligned with industry standards, ensuring robust protection for vital assets, including those in cloud environments.