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Amazon
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Graph-powered authorization: Relationship based access control for access management
- Relationship-based access control (ReBAC) is introduced as an alternative to traditional authorization systems like role-based access control (RBAC) and attribute-based access control (ABAC) for enterprise scale authorization.
- ReBAC architecture uses Amazon Neptune to create a knowledge graph for managing billions of relationships and processing millions of requests per second.
- Challenges like role explosion and token bloat are addressed by ReBAC by focusing on relationships between users and resources instead of roles or attributes.
- RBAC assigns permissions to roles and faces challenges with role explosion, whereas ABAC makes access decisions based on attributes and can be complex to manage.
- ReBAC determines access based on relationships, modeling them as a graph with nodes and edges for intuitive access patterns mirroring real-world relationships.
- Neptune and ReBAC systems complement each other, with Neptune handling relationship modeling efficiently and ReBAC ensuring fine-grained access control in real time.
- ReBAC offers millisecond latency, scalability, and reliability, and can be implemented through custom solutions, open-source tools, or managed services like OktaFGA or AuthZed.
- Entitlements in industries like financial services and healthcare benefit from ReBAC by dynamically controlling data access based on subscription levels or agent profiles.
- ReBAC transformation of access management simplifies administrative work, reduces errors, and scales effectively by automating access levels based on relationships.
- By integrating ReBAC with Amazon Neptune, organizations can optimize performance and minimize duplication for efficient and flexible access control.
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