7 Ways Backend Engineers Are Mistakenly Treating Prompt Injection Defenses as an Application-Layer Problem (And Why It's Silently Compromising Tenant Isolation in Multi-Tenant Agentic Pipelines)
Here is a scenario that should keep any backend engineer awake at night: your multi-tenant SaaS platform runs a sophisticated agentic pipeline. Tenant A's AI agent is summarizing contracts. Tenant B's agent is managing customer support tickets. Everything looks fine at the application layer. Your input