🔒 Preview mode. The first 15 Foundations lessons are free; this one is Pro. Start a 7-day trial to unlock the editor, AI hints and the rest of the curriculum. Card required, cancel any time in Dashboard.Start 7-day trial →
📝 **Question:** Your multi-tenant SaaS had a customer accidentally see another customer's data. Root cause: one new API endpoint forgot to filter by tenant_id. What's the most durable preventive measure?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.
🎯 Quiz
Question
📝 **Question:** Your multi-tenant SaaS had a customer accidentally see another customer's data. Root cause: one new API endpoint forgot to filter by tenant_id. What's the most durable preventive measure?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.