Authorization in Action - Phil Windley - diskuze

Underlying all software security is access control: deciding who can get into a system and what they can do once they enter. This book shows you how to streamline and automate access control by replacing static manually assigned permissions with a dynamic, Policy-Based Access Control (PBAC) model. Author and identity expert Phillip Windley frames authorization as a first-class citizen in your architecture and shows you how to use the intuitive Cedar policy language to integrate modern access control efficiently into both new and legacy applications.  Rather than relying on abstract theory, this practical guide uses the journey of a fictional corporation to demonstrate how policy-based access models succeed at scales where static models inevitably fail. You will watch the corporate systems transition from basic Access Control Lists (ACLs) to sophisticated, multi-tenant SaaS environments that include zero trust architectures, secure APIs, verifiable credentials, and AI agents. This single, continuous case study is grounded in famous real-world security collapses, such as the infamous Target data breach that illustrates the catastrophic consequences of weak authorization boundaries.  At the core of the book is the Cedar policy language, which makes it much easier to unify Role-Based (RBAC), Attribute-Based (ABAC), and Relationship-Based (ReBAC) access control into PBAC. The book describes typed schemas and how to write policies that are safe by construction, eliminating
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