Author

Zachary Espiritu

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Preprint Aug 2026

Plaintext Recovery Against Post-Filtering Access Control

Fine-grained access control (FGAC) mechanisms such as row-level security (RLS) and document-level security (DLS) are widely deployed in databases to restrict access to data stored in physical indexing structures shared by multiple users (e.g., in multi-tenant databases, or in the implementation of least-privilege withi...

Zachary Espiritu, David Cash · 0 citations