In March 2024, researchers at Trail of Bits published a report showing that over 3,000 models on the Hugging Face Hub contained executable arbitrary code via malicious pickle payloads. Meanwhile, as Meta rolls out Llama 4 with its unprecedented 1T-parameter MoE architecture, the attack surface for production LLM deployments has expanded dramatically. If you are running Llama 4 in production or pulling models from Hugging Face, the question is not whether you are exposed — it is how badly . This article cuts through the noise with concrete code, real benchmarks, and a battle-tested security checklist that you can implement today.…