Published onJune 27, 2026Secure Multi-Tenancy with Spring Boot, Hibernate, and PostgreSQLMulti-TenancySpring-BootHibernatePostgreSQLRow-Level-SecuritySaaS-ArchitectureChoose a tenant-isolation model, derive tenant identity from authenticated claims, use Hibernate tenant filtering with PostgreSQL row-level security, and test every path that can cross tenant boundaries.