Deepu Sasidharan

1 post

Deepu K Sasidharan is a Software Engineer by passion and profession. He is a Java Champion working as a Staff Developer Advocate at Okta. He is the co-chair of JHipster and the creator of KDash and JDL Studio. He is a polyglot programmer working with Java, Rust, JavaScript, Go, and so on. He is also a cloud technology advocate and an open-source software aficionado. He has authored books on Full-stack development and frequently writes about Java, Rust, JavaScript, Go, DevOps, Kubernetes, Linux, and so on, on his blog.

7 min

Securing the Future of AI: Authorization for Java RAG Systems using LangChain4j and OpenFGA

In this post, we explore how to build a robust Java-based RAG system by integrating LangChain4j with OpenFGA for fine-grained, relationship-based access control. Learn how to tackle the unique security challenges of RAG applications—from dynamic context and complex document relationships to real-time authorization checks—and follow step-by-step examples that show you how to implement a secure system.