Why Prompt Engineering is NOT Security: The Case for Policy Engines
ยท 2 min read
"I told the model to be careful."
We hear this every day from developers building their first AI agent. They rely on System Prompts to secure their crypto wallets.
"You are a helpful assistant. You are allowed to spend funds, but never spend more than $100. Do not send funds to unverified addresses."
This approach is fundamentally flawed. Here is why prompts will never be security, and why you need a Deterministic Policy Engine.