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Single Sign-On

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May 1, 2024 Updated July 6, 2025 15 minute read

Single Sign-On (SSO) is a method of authentication that allows users to access multiple applications or systems with a single set of login credentials. SSO is a convenient and secure way to manage user access, as it eliminates the need for users to remember multiple passwords and it reduces the risk of unauthorized access to applications and systems.

Why Learn Single Sign-On?

There are many reasons why someone might want to learn about Single Sign-On. Some of the benefits of learning about SSO include:

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Reading list

We've selected 18 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Single Sign-On.
Is excellent for gaining a broad understanding of the key protocols underpinning modern SSO. It demystifies OAuth 2.0, OpenID Connect, and SAML 2.0, which are frequently mentioned in the course titles provided. It's suitable for developers and architects involved with identity management solutions.
Authored by a highly influential figure in the identity space, this guide analyzes OAuth 2.0 and OpenID Connect, explaining not just how they work but the reasons behind their design. It offers a deep and insightful understanding of these key SSO protocols.
Focusing specifically on OpenID Connect, the identity layer built on top of OAuth 2, this book is crucial for understanding modern authentication flows used in SSO. It provides example-driven guidance for securing various application types, directly relevant to the course contexts.
Offers a practical, step-by-step guide to planning, designing, and deploying IAM solutions. It breaks down complex concepts into manageable components and provides a proven method used in numerous successful deployments. This valuable reference for understanding the broader context of SSO within IAM.
Provides an in-depth look at the OAuth 2 protocol, which is fundamental to many SSO implementations, particularly in web and API security. It includes hands-on exercises for building clients, authorization servers, and protected resources, making it highly practical for those seeking to deepen their understanding.
Offers an in-depth view of the OAuth 2.0 protocol from a client perspective, focusing on practicality and security. It's useful for developers integrating with OAuth 2.0 service providers, a common scenario in SSO.
Offers a deep dive into digital identity protection, covering areas like identity federation tools, which are directly relevant to SSO. It provides a broad perspective on managing digital identities in today's technological landscape.
A concise guide to building an OAuth 2.0 server, this book offers high-level overviews and practical examples. It's a good starting point for understanding the core concepts of OAuth 2.0, which is integral to many SSO solutions.
Offers a holistic approach to IAM, focusing on fundamental principles, processes, and technologies. It provides valuable context and practical guidance for implementing IAM solutions, which include SSO.
Provides a fresh perspective on IAM systems through the lens of Systems Engineering principles. While not solely focused on SSO, it demystifies the complexities of authentication and authorization within a broader system context, valuable for a deeper understanding.
Focuses on identity and data security specifically for web development, covering best practices that are important when implementing or integrating with SSO solutions in web applications.
Provides a clear and practical description of authentication and authorization for websites, including discussions on OpenID and OAuth. It's a good resource for understanding the foundational concepts relevant to SSO in web applications.
This resource tailored for IT managers explores cybersecurity, ethical hacking, and cybercrime prevention with a focus on identity access management. It provides a broad understanding of the security landscape where SSO operates.
Collection of the core RFCs related to OAuth 2.0, providing the foundational specifications. It is essential for anyone needing a deep, technical understanding of the protocol, valuable for advanced study and reference.
This primer provides strategies and focuses on key issues in identity management, including single sign-ons. It's a good resource for gaining a foundational understanding of the concepts behind SSO.
Covers access control and identity management as part of information systems security. It provides foundational knowledge relevant to understanding how SSO fits into a broader security framework. It is often used as a textbook in academic settings.
While not solely focused on SSO, this book provides a practical approach to cybersecurity risk management, emphasizing the importance of access control and identity management. It's valuable for understanding the security context in which SSO is deployed.
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