File system access is not one of OpenClaw's biggest security issues. If that were so, running it in a VM or another computer (I hear Mac Minis are popular!) would solve it. If you need it to do anything useful[0], you have to connect it to your data and give it action capabilities. All the dragons are there. If you play it careful and don't expose your data, comm channels, etc., then it's much like the other AI assis…
Reading your mail, WhatsApp and bank transactions? May be OK if your LLM runs locally, but even then, if it has any way to send data to the outside world without you checking it, maybe not even. You don’t want your LLM to send your private mail (including photos) or bank statements to somebody who uses prompt injection to get that data.
Thinking of prompt injection: we need LLMs with a Harvard architecture (https://en.wikipedia.org/wiki/Harvard_architecture), so that there is no way for LLM data inputs to be treated as instructions.