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Security
Row-Level Security, Done Properly
"Your data is isolated" is the least verifiable sentence in software marketing. Here is the actual mechanism behind tenant isolation in CashSheet Workbooks — forced row-level security, a database role that cannot bypass it, default-deny, and the four properties we test on every build.
August 21, 2026·8 min read
Security
Tenant Isolation: Why Your Accounting Data Deserves Its Own Database
Shared multi-tenant databases are a cost optimization, not a security feature. Here's how silo architecture protects your financial data.
Apr 30, 2026·5 min read