The adoption of the Cloud brings many security challenges. Securing identities, data, and workloads while trying to stay on the right side of compliance regulations has become a priority for organizations. Mastering Azure Security is your essential handbook for defending applications and data against a complex threat landscape.
Starting with the fundamentals, this book guides you through Azure security from the ground up. You will begin with core concepts like the shared responsibility model and Zero Trust, then apply these to secure key service layers, such as identity and access with Entra ID, networks with NSGs and Azure Firewall, compute for VMs and containers, and data with encryption and access controls. Furthermore, you will look at security governance, learning to manage your environment at scale using Azure Policy and Azure Landing Zones. Finally, you will learn about posture management with Microsoft Defender for Cloud and detect threats using Microsoft Sentinel.
By the end of this book, readers will gain an understanding of Azure security and develop the practical skills required to design, implement, and maintain a secure and compliant cloud infrastructure. Whether you are trying to nail down compliance, make systems more resilient, or know how to handle the latest threats, this book will give you the skills to make it happen.
WHAT YOU WILL LEARN
● Secure Azure compute and virtual networks with policies and controls.
● Implement data encryption, masking, and auditing in Azure.
● Protect workloads with Microsoft Defender for Cloud services.
● Apply Zero Trust principles to users and applications.
● Govern resources with Azure Policy, CAF, and WAF.
● Manage secrets and keys using Azure Key Vault.
● Strengthen security posture with monitoring and automation.
WHO THIS BOOK IS FOR
This book is for cloud engineers, IT professionals, security architects, consultants, and risk managers who work with Microsoft Azure. It is equally useful for administrators, security teams, and learners aiming to master practical Azure security. Whether you focus on compliance, Zero Trust, or workload protection, this book offers hands-on strategies to build and maintain secure Azure environments.
Arnav Sharma is a principal security architect with over a decade of experience in cloud computing, cybersecurity, and enterprise IT transformation. His career has spanned a diverse range of industries, helping organizations modernize their infrastructure, implement secure cloud architectures, and align security practices with real-world business needs.
Arnav specializes in Microsoft Azure and brings deep expertise in identity and access management, cloud governance, infrastructure automation, and threat protection. He holds more than 30 industry-recognized certifications, reflecting his commitment to continuous learning and hands-on mastery of evolving technologies.
He is a proud Microsoft Certified Trainer (MCT) and a Microsoft Most Valuable Professional (MVP) — acknowledgments that highlight his contributions to the global tech community. As a trainer and mentor, Arnav is known for breaking down complex technical topics into practical, relatable guidance for learners at all levels. He has delivered countless workshops, webinars, and corporate training sessions, helping professionals across the world skill up in cloud security and automation.
Outside of his professional role, Arnav is passionate about writing and sharing knowledge. He regularly publishes technical blogs, industry insights, and tutorials focused on cloud security, DevSecOps, and identity management on his personal website. His content has reached a wide audience of security practitioners, engineers, and technology leaders who value clarity, depth, and real-world relevance.
Arnav also mentors aspiring professionals through community programs and initiatives, believing strongly in giving back and empowering the next generation of cybersecurity leaders.
He lives in Sydney, Australia, with his wife and two sons, who keep him grounded, curious, and constantly inspired. When he is not immersed in the cloud, you can find him exploring the latest in AI, teaching, or reflecting on how technology can be a force for good in an increasingly connected world.
