Overview

In an era of rapidly evolving digital landscapes, ""Modern Identity Management with Keycloak: SSO, OAuth2, and OpenID Connect"" delivers a comprehensive and authoritative guide to mastering secure identity and access management (IAM) in cloud and enterprise environments. Beginning with a thorough exploration of IAM's historical evolution and foundational principles, the book demystifies the complexity behind authentication, authorization models, and industry-standard protocols such as OAuth2, OpenID Connect, and SAML. Readers will gain practical insight into token management, policy governance, and the integration of modern compliance requirements, equipping them with the knowledge necessary to build resilient and scalable security architectures. Structured to take readers from conceptual understanding to hands-on expertise, the book delves deeply into the architecture and inner workings of Keycloak-an industry-leading open source IAM solution. It covers real-world deployment patterns across on-premises, cloud, and containerized environments, guiding professionals through secure configuration, high availability, and automation with cutting-edge tools like Ansible, Terraform, and Kubernetes. Expert advice on monitoring, alerting, secrets management, and capacity planning ensures that both new and seasoned administrators are prepared to manage Keycloak at scale. With practical patterns and strategies for implementing Single Sign-On (SSO), detailed coverage of OAuth2 and OpenID Connect, and a strong emphasis on security hardening and compliance, this book stands out as an essential resource for IT architects, engineers, and security professionals. Readers will also benefit from advanced guidance on customizing, extending, and integrating Keycloak into diverse enterprise ecosystems, along with forward-looking discussions on DevOps, observability, and emerging identity trends. Whether migrating from legacy IAM solutions or seeking to harness the full power of cloud-native identity management, this book offers the clarity, depth, and actionable expertise required for today's security-driven world.

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