
    Relationship-based access control (ReBAC) offers a flexible, scalable authorization approach using graph databases like Amazon Neptune to manage complex access relationships dynamically across enterprise applications.


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<p>
This article explores Relationship-based Access Control (ReBAC), a modern authorization approach that addresses limitations in traditional Role-based (RBAC) and Attribute-based (ABAC) access control methods.
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<li>ReBAC determines access based on relationships between users and resources, using graph-based modeling</li>
<li>Leverages Amazon Neptune to create a knowledge graph for managing complex authorization scenarios</li>
<li>Solves common authorization challenges like role explosion and token bloat</li>
<li>Enables fine-grained, dynamic access control across enterprise applications</li>
<li>Can be implemented via custom solutions, open-source tools, or managed services</li>
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<p>
The approach provides millisecond-latency authorization checks, making it scalable and efficient for modern microservices architectures. Example use cases include financial services and healthcare organizations with complex access requirements.
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