Most teams treat AI safety as a guardrail bolted onto a chatbot. NST Assure treats it as a 5-plane runtime fabric where telemetry flows up and enforcement flows down continuously. In this short blog, Pradeep Kumar, Head of Engineering at NST Cyber, explains why enterprise AI trust can no longer rely on static controls or isolated guardrails and how NST Assure treats AI trust as a continuously enforced runtime architecture spanning identity, observability, governance, policy enforcement, and execution control. NST Assure is designed to ensure that every AI interaction, agent action, and runtime decision is identity-attested, policy-governed, observable, traceable, and enforceable in real time across the enterprise AI stack.