End-to-End LLM Security Architecture: How All the Defenses Fit Together

Introduction If you’ve followed this series from the beginning, you’ve seen the full attack landscape: direct prompt injection, indirect injection through RAG pipelines, and multi-agent cascades where a single poisoned document can ripple across an entire agent network. Each post ended with defenses specific to that attack. But defenses in isolation don’t make a security…

LLM security architecture

Failure of Secure SDLC: Why Vulnerabilities Still Ship

Every organization today claims to follow a Secure SDLC. And yet, vulnerabilities still reach production — not rarely, but routinely. Not exotic zero-days. Not nation-state exploits. But basic, structural flaws that should never have existed in the first place. So the uncomfortable question is not whether Secure SDLC exists.It’s whether it actually works the way…