https://purfect.ai/blog Insights on AI infrastructure, security, and production systems from the Purfect Labs team. en-us 60 https://purfect.ai/api/og?title=Purfect+AI+Blog&desc=AI+infrastructure+insights https://purfect.ai/blog https://purfect.ai/blog/why-your-ai-stack-needs-a-security-layer https://purfect.ai/blog/why-your-ai-stack-needs-a-security-layer Most teams bolt security on after the fact. Here's why that's backwards when it comes to LLM infrastructure — and what a purpose-built security layer actually looks like. noreply@purfect.ai (Purfect AI Team) Security Infrastructure PurfectShield LLMs Sun, 07 Jun 2026 00:00:00 GMT