Securing Google Cloud Platform (Deepam Kanjani) (z-library.sk, 1lib.sk, z-lib.sk)
Cloud Native
Cloud platforms like Google Cloud are essential for delivering scalable and reliable systems, but with increased speed comes greater security risk. As threats grow more complex, securing cloud-native workloads has become a vital skill for developers, engineers, and security teams alike. This book provides a hands-on guide to securing real-world workloads on Google Cloud Platform. You will learn to build least-privilege IAM policies, protect sensitive data with encryption and DLP, design secure networks using VPC and Cloud Armor, automate security in CI/CD pipelines, and enforce policies in Kubernetes clusters. The book also covers hybrid/multi-cloud security with Anthos, zero trust architectures with BeyondCorp, and Google-native threat detection using SCC and Chronicle. Each chapter blends practical implementation with architectural best practices. What you will learn ● Design secure IAM and access control on GCP. ● Encrypt sensitive data using KMS and Cloud DLP. ● Automate DevSecOps workflows in CI/CD pipelines. ● Secure containers and Kubernetes using GKE controls. ● Detect and respond to threats using SCC and Chronicle. ● Build zero trust access with BeyondCorp Enterprise. ● Manage hybrid/multi-cloud security using Anthos. ● Align architectures with compliance and audit frameworks. Who this book is for This book is for security engineers, cloud architects, and DevOps teams who possess a foundational understanding of cloud computing principles. Readers should have basic familiarity with Google Cloud services to effectively apply the security concepts and patterns discussed. Table of Contents 1. Introduction to Google Cloud Platform Security 2. IAM and Access Control 3. Data Security and Encryption 4. Network Security in GCP 5. Automating Security in DevOps Pipelines 6. Securing Containerized Workloads GKE 7. Compliance, Auditing, and Continuous Monitoring 8. Threat Detection using SCC and Chronicle 9. Hybrid and Multi-Cloud Security with
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Securing Google Cloud Platform Implementing cloud security by leveraging native GCP services and modern principles Deepam Kanjani www.bpbonline.com
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First Edition 2026 Copyright © BPB Publications, India eISBN: 978-93-65890-747 All Rights Reserved. No part of this publication may be reproduced, distributed or transmitted in any form or by any means or stored in a database or retrieval system, without the prior written permission of the publisher with the exception to the program listings which may be entered, stored and executed in a computer system, but they can not be reproduced by the means of publication, photocopy, recording, or by any electronic and mechanical means. LIMITS OF LIABILITY AND DISCLAIMER OF WARRANTY The information contained in this book is true and correct to the best of author’s and publisher’s knowledge. The author has made every effort to ensure the accuracy of these publications, but the publisher cannot be held responsible for any loss or damage arising from any information in this book. All trademarks referred to in the book are acknowledged as properties of their respective owners but BPB Publications cannot guarantee the accuracy of this information. www.bpbonline.com
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Dedicated to "Security, like trust, is built quietly - layer by layer." Thanks to everyone who believed in this book even before the pages took shape. Your support, love, and grounding presence helped me finish what I once thought I could not begin. To my family, friends, mentors, and everyone who stood by me during my difficult times, a heartfelt thanks.
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About the Author Deepam Kanjani is an experienced security professional with over 15 years of expertise in cybersecurity, cloud platforms, and secure software development. His work encompasses enterprise security architecture, threat modelling, incident response, and automation-driven security design, particularly in modern cloud environments such as Google Cloud. He specialises in the software supply chain, AI, data and cloud security. Over the years, he has led product security programs, built threat detection pipelines, and assisted engineering teams in integrating security into everything from CI/CD workflows to zero trust initiatives. His approach combines technical expertise with a builder’s mindset, emphasising clarity, usability, and impact over complexity. Deepam actively contributes to the global security community through conference talks, mentoring, and open- source security tools. He is passionate about coaching the next generation of engineers and security leaders, helping them navigate the real-world challenges of cloud security with confidence and purpose. He believes that good security is not just about tools and policies, but also about how people think.
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About the Reviewers ❖ Karan Rajoria is a cloud security analyst specializing in security operations. He brings hands-on experience in securing cloud-native environments through proactive threat detection, incident response, and vulnerability management. With a strong grasp of cloud architecture and security best practices, Karan has worked closely with cross- functional teams to design and implement scalable security frameworks. He holds multiple cloud security certifications and currently works at EY, supporting enterprise clients in building resilient and compliant infrastructures on the cloud. ❖ Sourabh Mahajan brings nearly two decades of industry experience as a technical architect and technology innovator with a specialization in Salesforce and enterprise solutions known for translating complex technical requirements into scalable, real world systems. He blends business acumen with hands on expertise in emerging technologies and digital transformation. He holds multiple Salesforce certificates, including Health Cloud, Sales Cloud and Service Cloud Professional and is a certified Salesforce application and data architect. Sourabh specializes in Salesforce ecosystems, enterprise architecture, CRM strategy, and cloud transformation. Sourabh possesses an innate ability to translate business concepts into development requirements, earning the
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trust of his clients and leading them to successful project completions.
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Acknowledgement I want to thank a few people for their constant support, encouragement, and belief throughout the journey of writing this book. While the content may focus on securing cloud systems, this book is built on very human foundations, patience, curiosity, late nights, and people who kept me grounded through it all. First and foremost, I want to thank my family, especially my mother, whose faith in me never wavered even when she did not fully understand the technical details. To my sisters, thank you for being my sounding boards, my critics, and my peace, and to my two lovely nieces, your joy reminds me why the world is worth protecting. This book is dedicated to my father. His quiet strength, integrity, and presence continue to guide me, even in his absence. I am also grateful to the technical communities, mentors, and peers who challenged my ideas, corrected my blind spots, and shared their experiences so generously. Your contributions, often shared freely in blogs, discussions, or open-source projects, became the sparks I needed to keep going. To the days, when friends who brainstormed ideas on how something could be done better in GCP than other tools. I am deeply grateful to the remarkable tools and AI-powered resources that have facilitated this journey. Their support and assistance made each step easier, transforming daunting tasks into manageable milestones along the way.
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My heartfelt thanks to the editorial team at BPB Publication for their constant support, flexibility, and patience. Your support in constantly enhancing the book's quality made the writing process far less scary and much more meaningful. A special thank you to the technical reviewers for their kind technical scrutiny and feedback that helped sharpen the edges of this work. Finally, to every reader, whether you are securing your first cloud workload or solving challenging architectural problems. I hope this book helps you pause, question, and build with intent. Every chapter ends with a short story on making something complex simple; I hope you make life that way.
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Preface I still remember staring at my first IAM policy in Google Cloud - five lines long, deceptively simple, and wide open to the internet. No alarms, no audit trails, just access. That moment changed how I viewed cloud security forever. What began as curiosity became a career. Over the years, I have worked with teams across industries, designing controls, investigating incidents, teaching developers, debating defaults, and trying to answer one big question: How do we make cloud security both usable and practical? This book is my response to that question. It is not just my perspective, but a collection of lessons, stories, and patterns shaped by real-world deployments of Google Cloud. It takes you from the basics of IAM, network, and data protection to advanced domains like DevSecOps, compliance, monitoring, and incident response. Each chapter builds on the last but is written so you can pick up any topic independently. You do not need to read this cover to cover. If you are new to GCP security, start with the IAM, data, and network security chapters. If you have hands-on experience in automation, containers, or DevSecOps, jump directly to chapters 5, 6, or 12. If you are mapping strategy or compliance, chapters 7, 9, and 10 will be most relevant. And if you want to test your readiness for real-world use cases or certification, chapter 12 is your blueprint. By the end, you will not only understand Google Cloud’s security features but also know how to apply them in practice, bridging the gap between certification knowledge
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and real-world cloud security. This book is designed to serve practitioners, architects, and leaders alike: whether you are securing your first project, scaling an enterprise deployment, or aligning your controls with compliance. Chapter 1: Introduction to Google Cloud Platform Security - Understand the core principles of GCP security, from the shared responsibility model to the foundational differences that make Google Cloud unique. Chapter 2: IAM and Access Control - Learn how roles, policies, and service accounts interact in Google Cloud. Build strong identity controls using least privilege, resource hierarchy, and audit capabilities. Chapter 3: Data Security and Encryption - Explore data protection using Cloud KMS, CMEK, CSEK, Cloud HSM, and DLP. Learn how to apply encryption consistently across storage, databases, and analytics pipelines. Chapter 4: Network Security in GCP - Secure your networks using VPCs, firewall rules, Cloud Armor, Shared VPCs, and VPC SC. Understand hybrid connectivity and segmentation to reduce risk. Chapter 5: Automating Security in DevOps Pipelines - Integrate security into CI/CD using IaC, from all the instances of policy as code, tfsec, and secret management. Shift left without slowing down deployments. Chapter 6: Securing Containerized Workloads GKE - Secure Kubernetes workloads on GKE—harden nodes, manage identity, scan and sign images, and apply pod-level policies for compliance and resilience. Chapter 7: Compliance, Auditing, and Continuous Monitoring - Build a compliant cloud using Cloud Logging, Monitoring, Access Transparency, and real-time policy enforcement with Forseti and Policy Analyzer.
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Chapter 8: Threat Detection using SCC and Chronicle - Use Security Command Center and Chronicle to detect misconfigurations, identify active threats, and correlate signals across your environment. Chapter 9: Hybrid and Multi-Cloud Security with Anthos - Manage policy, security, and governance across Google Cloud, AWS, and on-prem using Anthos. Unify operations with tools like Istio, Config Management, and Gatekeeper. Chapter 10: Zero Trust and BeyondCorp Enterprise - Go beyond VPNs with zero trust access. Implement BeyondCorp Enterprise, enforce identity-aware controls, and design posture-based security models. Chapter 11: Incident Response and Forensics in GCP - Prepare for incidents in a dynamic cloud using automated detection, log correlation, snapshotting, and evidence collection across ephemeral workloads. Chapter 12: Real-world Cloud Security - Apply everything through scenario-based implementations. This final chapter connects security blueprints with certification prep, long-term strategy, and scalable patterns. In the pages ahead, you will find more than just checklists and service descriptions. You’ll find a mindset that evolves and is deeply tied to how people build in the cloud.
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Code Bundle and Coloured Images Please follow the link to download the Code Bundle and the Coloured Images of the book: https://rebrand.ly/95d6e7 The code bundle for the book is also hosted on GitHub at https://github.com/bpbpublications/Securing-Google- Cloud-Platform. In case there’s an update to the code, it will be updated on the existing GitHub repository. We have code bundles from our rich catalogue of books and videos available at https://github.com/bpbpublications. Check them out! Errata We take immense pride in our work at BPB Publications and follow best practices to ensure the accuracy of our content to provide with an indulging reading experience to our subscribers. Our readers are our mirrors, and we use their inputs to reflect and improve upon human errors, if any, that may have occurred during the publishing processes involved. To let us maintain the quality and help us reach out to any readers who might be having difficulties due to any unforeseen errors, please write to us at : errata@bpbonline.com Your support, suggestions and feedbacks are highly appreciated by the BPB Publications’ Family.
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Table of Contents 1. Introduction to Google Cloud Platform Security Introduction Structure Objectives Setting the stage Evolving threat landscape Business drivers for Google Cloud Platform security Protecting brand reputation and customer trust Maintaining business continuity Meeting regulatory and compliance obligations Unique challenges and opportunities in GCP Multi-tenant and distributed environment Greater access to advanced security tools Cloud-native DevOps workflows Cost and impact of security breach Setting the tone for secure GCP deployment Proactive versus reactive security Culture of security Case studies in cloud security incidents GCP versus other cloud providers Comparing security approaches Common ground Key differentiators
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GCP’s global infrastructure and edge network Private global fiber network Edge points of presence Regional versus multi-regional deployments Native security advantages of Google Cloud Platform Google-grade security Built-in zero trust BeyondCorp Security Command Center Strategic considerations when choosing GCP Integration with Google Workspace Cost and pricing model Specific regulatory compliance support GCP shared responsibility model Defining shared responsibility Core rationale to leverage shared responsibility model Layers of model Impact on governance and compliance Common misconceptions Practical strategies to align responsibilities Key security features of GCP Identity and Access Management Virtual Private Cloud Encryption defaults Security Command Center Setting up your first secure GCP project Instructions for setting up a secure GCP project Configure essential settings Establish basic security guardrails Network and resource setup Turning on Security Command Center
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Compliance overview in Google Cloud Platform Major compliance standards Addressing compliance in GCP Building compliance into your architecture Next steps for security and compliance Final thoughts and next steps Complex made simple Conclusion Exercise Key takeaways References 2. IAM and Access Control Introduction Structure Objectives Introduction to GCP IAM Importance of Identity and Access Management Tying IAM into broader GCP security model Common pitfalls of mismanaged permissions Role of IAM in compliance and governance Identity and Access Management building blocks Identities and resources Policies specific to bindings of roles to identities Roles High-level use cases Core concepts of accounts, roles, and policies Types of Google Cloud Platform accounts Identity and Access Management roles and policies
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Hierarchical resource model Policy evaluation Cloud Identity versus external identity providers Cloud Identity fundamentals Federating identities Hybrid Identity and Access Management scenarios Organizational policies and folder hierarchies Organization node Folders and projects Organization Policy Service Practical governance tips Auditing and logging IAM changes Audit logs overview Monitoring Identity and Access Management events Least privilege auditing Compliance driven audits Service accounts Service accounts explained Key management for service accounts Impersonation flows Case study to design least privilege role Complex made simple Conclusion Exercise Key takeaways References 3. Data Security and Encryption Introduction
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AI Reading Assistant
Whole-book reading guide from stratified index samples; jump to passages in the text
AI guide
【One-Line Pitch】
A hands-on field guide to locking down real workloads on Google Cloud, moving from IAM and encryption fundamentals to DevSecOps automation, Kubernetes hardening, and zero-trust architecture. Best for security engineers, cloud architects, and DevOps practitioners who already know their way around GCP basics and want concrete patterns rather than theory.
【Book Arc】
- **Opening (~0%–10%)**: Frames why cloud speed raises security risk, then surveys GCP's built-in defenses — default encryption, IAM, VPC, and SCC — plus business drivers like compliance, brand trust, and data governance. Solves the "where do I even start" problem.
- **Early (~10%–35%)**: Dives into IAM and access control: the resource hierarchy (org → folders → projects), primitive vs. predefined vs. custom roles, policy inheritance and evaluation, service accounts, key management, and a least-privilege case study.
- **Middle (~35%–50%)**: Covers data security (GMEK/CMEK/CSEK, Cloud HSM, key rotation, Cloud DLP masking and tokenization) and network security (VPC subnets, firewalls, Shared VPC, VPC Service Controls, Cloud Armor, Cloud NAT, segmentation, hybrid connectivity).
- **Late (~50%–75%)**: Shifts to operational security — automating guardrails in CI/CD with IaC and scanners, securing containerized workloads on GKE, and building compliance, auditing, and continuous monitoring into the lifecycle.
- **Ending (~75%–100%)**: Closes with Google-native threat detection (SCC, Chronicle), zero-trust access via BeyondCorp Enterprise, and hybrid/multi-cloud governance with Anthos, ACM, and Gatekeeper.
【Key Takeaways】
- **IAM is the spine of GCP security** (Early): least privilege, hierarchy inheritance, and deny-by-default evaluation determine nearly everything downstream, so get this right first.
- **Encryption is layered, not binary** (Middle): GCP encrypts at rest by default, but CMEK, CSEK, and Cloud HSM let you dial control up for strict compliance — with real trade-offs in key management overhead.
- **DLP turns data protection into a pipeline concern** (Middle): classification, masking, and tokenization let you keep analytics utility while reducing exposure, aligning with GDPR and HIPAA expectations.
- **Network design contains blast radius** (Middle): VPC segmentation, Shared VPC, VPC Service Controls, and Cloud Armor work together to stop lateral movement and data exfiltration.
- **Security must be automated or it drifts** (Late): IaC, policy-as-code (Open Policy Agent), and SAST/DAST scanners in CI/CD catch issues before production rather than after.
- **Kubernetes needs its own controls** (Late): GKE hardening is treated as a distinct discipline, not an afterthought to VM security.
- **Detection and response are Google-native** (Ending): SCC and Chronicle provide the visibility layer; BeyondCorp reframes access around zero trust rather than network perimeter.
- **Multi-cloud governance is a policy problem** (Ending): Anthos Config Management and Gatekeeper extend consistent policy across clusters and clouds.
【Reading Tips】
- **Deep-read Chapters 2–3 (IAM and data security).** These underpin every later chapter; skimming them makes the automation and Kubernetes material feel disconnected.
- **Skim the opening chapter if you already know GCP.** It's orientation and business-case framing; the technical value starts at IAM.
- **Treat code snippets as templates, not tutorials.** The book assumes GCP familiarity, so pause to map each example onto your own project structure.
- **Read the CI/CD and GKE chapters together.** They form a single "shift-left plus runtime" story about securing the delivery pipeline and what it ships.
- **Use the ending chapters as an architecture checklist.** SCC, BeyondCorp, and Anthos are best read as design decisions to evaluate, not step-by-step labs.
【Coverage Limits】
This guide is synthesized from stratified excerpts covering roughly the first half of the book in detail, with later chapters (GKE, SCC/Chronicle, BeyondCorp, Anthos) represented mainly through the table of contents and chapter intros. Specific implementation steps, figures, and exercises in those later chapters are not fully reflected here.
Passage locations
Excerpt 1
evOps Pipelines 6. Securing Containerized Workloads GKE 7. Compliance, Auditing, and Continuous Monitoring 8. Threat Detection using SCC and Chronicle 9. Hyb...
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Excerpt 2
nfrastructure, providing options for custom key management. SCC: This tool offers visibility into assets, vulnerabilities, and threats across your GCP enviro...
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Excerpt 3
itive configuration at the project level. Organization node The organization node is where you set the tone for security, compliance, and project governance...
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Excerpt 4
n GCP. You will learn how to configure subnets, routes, and firewalls, elements that form the backbone of any secure, scalable cloud network. Building on the...
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