Secure AI Agents with Hazmat Suits, Not Self-Defense Classes

The article argues that AI agents, being powered by probabilistic LLMs, cannot reliably recognize risky instructions, so behavioral safeguards like system-prompt rules are insufficient and architectural safeguards are needed. It describes emerging infrastructure—sandboxes, credential brokers that attach secrets on egress via an HTTPS_PROXY, and gateways for granular permissions—that deterministically prevent harmful actions. The piece is published by Infisical, which promotes its Agent Vault product at the end.